Boulder County, CO Weather Forecast & Current Conditions

Night: Mostly cloudy with a slight chance of rain and snow early in the evening, then mostly cloudy overnight. Lows 28 to 36. Chance of precipitation 20 percent.

Day: Mostly sunny. Highs 47 to 53.

Night: Mostly clear. Lows 26 to 36.

Day: Partly cloudy. Highs 55 to 63.

Night: Partly cloudy. Lows 30 to 40.

Night: Partly cloudy. Highs 52 to 62. Lows 29 to 39.

Day: Partly cloudy. Highs 42 to 52. Lows 22 to 32.

Day: Partly cloudy. Highs 42 to 52. Lows 22 to 32.

Night: Partly cloudy with a 20 percent chance of snow showers. Lows 24 to 34.

Day: Mostly cloudy with a 40 percent chance of snow showers. Highs 42 to 50.

Night: Snow showers likely. Lows 21 to 31. Chance of snow 70 percent.

Day: Partly cloudy with a 30 percent chance of snow showers. Highs 35 to 45.

Night: Mostly cloudy. Slight chance of rain early in the evening. Patchy fog after midnight. Areas of fog towards sunrise. Lows in the mid 30s. Chance of rain 20 percent.

Day: Areas of fog in the morning. Mostly sunny. Highs in the upper 50s.

Night: Mostly clear. Lows in the lower to mid 30s.

Day: Mostly sunny. Highs in the lower to mid 60s.

Night: Partly cloudy. Lows in the mid to upper 30s.

Night: Partly cloudy. Highs in the lower 60s. Lows in the mid 30s to lower 40s.

Day: Partly cloudy. Highs 51 to 59. Lows in the lower to mid 30s.

Night: Partly cloudy. Highs 51 to 59. Lows in the lower to mid 30s.

Day: Partly cloudy with a chance of rain and snow showers. Highs in the lower to mid 50s. Chance of precipitation 30 percent.

Night: Rain and snow showers likely. Lows near 30. Chance of precipitation 60 percent.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs in the upper 40s.

Night: Mostly cloudy. Chance of snow in the evening, then a slight chance of snow after midnight. Lows 21 to 29. Chance of snow 50 percent.

Day: Partly cloudy. Highs 34 to 44.

Night: Mostly clear. Lows 20 to 28.

Day: Mostly sunny. Highs 43 to 53.

Night: Partly cloudy. Lows 21 to 31.

Day: Partly cloudy. Highs 39 to 49.

Night: Partly cloudy with a 40 percent chance of snow showers. Lows 20 to 30.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs 30 to 40.

Night: Partly cloudy. Lows 14 to 24. Highs 34 to 44.

Night: Partly cloudy with a 20 percent chance of snow showers. Lows 18 to 26.

Night: Snow showers likely. Highs 30 to 40. Lows 12 to 22. Chance of snow 70 percent.

Day: Partly cloudy with a 40 percent chance of snow showers. Highs 24 to 34.

Night: Mostly cloudy with a chance of rain and snow early in the evening, then mostly cloudy with a slight chance of rain and snow during the late evening hours. Partly cloudy after midnight. Lows 28 to 36. Chance of precipitation 50 percent.

Day: Mostly sunny. Highs 47 to 55.

Night: Mostly clear. Lows 28 to 36.

Day: Mostly sunny. Highs 56 to 64.

Night: Partly cloudy. Lows 31 to 39.

Night: Partly cloudy. Highs 53 to 63. Lows 30 to 40.

Day: Partly cloudy. Highs 46 to 56. Lows 24 to 34.

Day: Partly cloudy. Highs 46 to 56. Lows 24 to 34.

Night: Partly cloudy with a 10 percent chance of snow showers. Lows 26 to 36.

Day: Partly cloudy with a 30 percent chance of snow showers. Highs 43 to 53.

Night: Mostly cloudy with a 50 percent chance of snow showers. Lows 22 to 32.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs 37 to 47.

Night: Mostly cloudy. Slight chance of rain early in the evening. Patchy fog after midnight. Areas of fog towards sunrise. Lows in the mid 30s. Chance of rain 20 percent.

Day: Mostly cloudy in the morning then clearing. Areas of fog in the morning. Highs in the mid 50s.

Night: Mostly clear. Lows 27 to 33.

Day: Partly cloudy. Highs in the lower 60s.

Night: Partly cloudy. Lows 28 to 34.

Night: Partly cloudy. Highs in the lower 60s. Lows 31 to 37.

Day: Partly cloudy. Highs 52 to 57. Lows 27 to 33.

Night: Partly cloudy. Highs 52 to 57. Lows 27 to 33.

Day: Partly cloudy with a 20 percent chance of rain showers. Highs in the mid 50s.

Night: Rain and snow showers likely. Lows near 30. Chance of precipitation 60 percent.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs in the upper 40s.

Night: Mostly cloudy. Slight chance of rain early in the evening. Patchy fog after midnight. Areas of fog towards sunrise. Lows in the upper 30s. Chance of rain 20 percent.

Day: Areas of fog in the morning. Partly cloudy. Highs in the upper 50s.

Night: Mostly clear. Lows in the mid 30s.

Day: Mostly sunny. Highs in the lower to mid 60s.

Night: Partly cloudy. Lows in the mid 30s.

Night: Partly cloudy. Highs in the mid 60s. Lows near 40.

Day: Partly cloudy. Highs in the mid to upper 50s. Lows in the lower to mid 30s.

Night: Partly cloudy. Highs in the mid to upper 50s. Lows in the lower to mid 30s.

Day: Partly cloudy with a 20 percent chance of rain showers. Highs in the mid 50s.

Night: Rain and snow showers likely. Lows in the lower 30s. Chance of precipitation 60 percent.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs in the upper 40s.

Night: Mostly cloudy. Slight chance of rain early in the evening. Patchy fog after midnight. Areas of fog towards sunrise. Lows in the 30s. Chance of rain 20 percent.

Day: Partly cloudy in the morning then clearing. Areas of fog in the morning. Highs in the lower to mid 50s.

Night: Mostly clear. Lows 28 to 34.

Day: Mostly sunny. Highs near 60.

Night: Partly cloudy. Lows 28 to 36.

Night: Partly cloudy. Highs near 60. Lows in the 30s.

Day: Mostly cloudy. Highs in the 50s.

Night: Partly cloudy. Lows near 30. Highs near 50.

Night: Partly cloudy with a slight chance of rain and snow showers. Lows near 30. Chance of precipitation 10 percent.

Day: Partly cloudy with a chance of rain and snow showers. Highs near 50. Chance of precipitation 30 percent.

Night: Rain and snow showers likely. Lows near 30. Chance of precipitation 60 percent.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs 43 to 49.

Night: Mostly cloudy. Chance of rain and snow in the evening, then a slight chance of snow after midnight. Lows 25 to 31. Chance of precipitation 50 percent.

Day: Mostly cloudy in the morning then clearing. Highs 44 to 50.

Night: Mostly clear. Lows 18 to 26.

Day: Partly cloudy. Highs 49 to 57.

Night: Partly cloudy. Lows 20 to 28.

Day: Partly cloudy. Highs 49 to 55.

Night: Mostly cloudy with a chance of rain and snow showers. Lows 22 to 28. Chance of precipitation 40 percent.

Day: Mostly cloudy with a 40 percent chance of snow showers. Highs 40 to 46.

Night: Partly cloudy. Lows 14 to 22. Highs 45 to 51.

Night: Mostly cloudy with a 30 percent chance of snow showers. Lows 17 to 25.

Day: Snow showers likely. Highs 41 to 47. Chance of snow 70 percent.

Night: Snow showers. Lows 13 to 21.

Day: Mostly cloudy with a 40 percent chance of snow showers. Highs 33 to 39.

Night: Mostly cloudy. Chance of snow early in the evening, then a slight chance of snow during the late evening hours. Lows 22 to 30. Chance of snow 30 percent.

Day: Partly cloudy. Highs 35 to 45.

Night: Mostly clear. Lows 21 to 29.

Day: Partly cloudy. Highs 44 to 54.

Night: Partly cloudy. Lows 24 to 32.

Day: Partly cloudy. Highs 40 to 50.

Night: Mostly cloudy with a 40 percent chance of snow showers. Lows 22 to 32.

Day: Mostly cloudy with a 50 percent chance of snow showers. Highs 29 to 39.

Night: Partly cloudy. Lows 17 to 25. Highs 35 to 45.

Night: Mostly cloudy with a 30 percent chance of snow showers. Lows 19 to 27.

Day: Snow showers likely. Highs 31 to 41. Chance of snow 70 percent.

Night: Snow showers. Lows 13 to 23.

Day: Mostly cloudy with a 50 percent chance of snow showers. Highs 23 to 33.

Night: Mostly cloudy. Chance of rain early in the evening, then a slight chance of rain during the late evening hours. Patchy fog until early morning. Areas of fog towards sunrise. Lows in the 30s. Chance of rain 40 percent.

Day: Areas of fog in the morning. Partly cloudy. Highs 50 to 56.

Night: Mostly clear. Lows 29 to 35. South winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs 57 to 65.

Night: Partly cloudy. Lows in the lower to mid 30s. South winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy. Highs in the lower to mid 60s. Lows in the mid 30s to lower 40s.

Day: Partly cloudy. Highs in the mid to upper 50s.

Night: Mostly clear. Lows in the lower to mid 30s.

Night: Partly cloudy. Highs 51 to 57. Lows in the lower to mid 30s.

Day: Partly cloudy with a slight chance of rain and snow showers. Highs 51 to 57. Chance of precipitation 20 percent.

Night: Mostly cloudy with a chance of rain and snow showers. Lows near 30. Chance of precipitation 50 percent.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs in the mid to upper 40s.

Night: Mostly cloudy. Chance of rain and snow early in the evening, then a slight chance of snow during the late evening hours. Lows in the mid to upper 20s. Chance of precipitation 30 percent.

Day: Partly cloudy. Highs in the mid to upper 40s.

Night: Mostly clear. Lows 20 to 26.

Day: Partly cloudy. Highs in the lower to mid 50s.

Night: Partly cloudy. Lows 22 to 28.

Day: Partly cloudy. Highs in the lower to mid 50s.

Night: Mostly cloudy with a chance of rain and snow showers. Lows 23 to 29. Chance of precipitation 50 percent.

Day: Mostly cloudy with a 40 percent chance of snow showers. Highs near 40.

Night: Partly cloudy. Lows 17 to 23. Highs in the mid to upper 40s.

Night: Mostly cloudy with a 40 percent chance of snow showers. Lows 19 to 25.

Day: Snow showers likely. Highs in the lower 40s. Chance of snow 70 percent.

Night: Snow showers. Lows 15 to 21.

Day: Mostly cloudy with a 40 percent chance of snow showers. Highs in the 30s.

Night: Mostly cloudy. Slight chance of rain early in the evening. Patchy fog after midnight. Areas of fog towards sunrise. Lows in the upper 30s. South winds 10 to 20 mph. Gusts up to 30 mph in the evening. Chance of rain 20 percent.

Day: Mostly cloudy in the morning then clearing. Areas of fog in the morning. Highs in the mid 50s.

Night: Mostly clear. Lows in the mid 30s. South winds 10 to 15 mph with gusts up to 30 mph.

Day: Mostly sunny. Highs in the lower 60s.

Night: Partly cloudy. Lows in the mid 30s. South winds 10 to 15 mph with gusts up to 30 mph.

Night: Partly cloudy. Highs in the lower 60s. Lows near 40.

Day: Partly cloudy. Highs in the upper 50s.

Night: Mostly clear. Lows in the lower 30s.

Night: Partly cloudy. Highs in the upper 50s. Lows in the 30s.

Day: Partly cloudy with a 20 percent chance of rain showers. Highs in the mid to upper 50s.

Night: Mostly cloudy with a chance of rain and snow showers. Lows in the lower 30s. Chance of precipitation 50 percent.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs in the upper 40s.

Night: Mostly cloudy. Slight chance of rain early in the evening. Patchy fog after midnight. Lows in the mid 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph in the evening, becoming light. Chance of rain 20 percent.

Day: Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the mid 50s.

Night: Mostly clear. Lows 27 to 33.

Day: Partly cloudy. Highs around 60.

Night: Partly cloudy. Lows 28 to 34.

Night: Partly cloudy. Highs around 60. Lows 31 to 37.

Day: Mostly cloudy. Highs in the mid to upper 50s.

Night: Mostly clear. Lows 26 to 32.

Night: Partly cloudy. Highs in the lower to mid 50s. Lows 28 to 34.

Day: Mostly cloudy with a slight chance of rain and snow showers. Highs in the lower to mid 50s. Chance of precipitation 20 percent.

Night: Rain and snow showers likely. Lows 26 to 32. Chance of precipitation 60 percent.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs in the mid to upper 40s.

Night: Mostly cloudy. A chance of snow showers in the evening, then a slight chance of snow showers after midnight. Lows in the 20s. Chance of snow 40 percent.

Day: Sunny. Highs 35 to 45.

Night: Mostly clear. Lows in the 20s.

Day: Mostly sunny. Highs 45 to 55.

Night: Partly cloudy. Lows in the 20s.

Day: Mostly sunny in the morning, then becoming partly sunny. Highs in the 40s.

Night: Partly cloudy with a slight chance of snow showers in the evening, then mostly cloudy with snow showers likely after midnight. Little or no snow accumulation. Lows in the 20s. Chance of snow 60 percent.

Day: Partly sunny. A chance of snow showers in the morning, then a slight chance of snow showers in the afternoon. Highs in the 30s. Chance of snow 50 percent.

Night: Partly cloudy. Lows 15 to 25. Highs in the 40s.

Night: Mostly cloudy. Slight chance of snow showers in the evening, then a chance of snow showers after midnight. Lows in the 20s. Chance of snow 40 percent.

Night: Snow showers. Light snow accumulation. Highs in the 30s. Lows 10 to 20.

Day: Partly sunny with a 40 percent chance of snow showers. Highs 25 to 35.

Day: Partly sunny late this morning, then mostly cloudy with a slight chance of rain and snow showers this afternoon. Highs in the upper 40s. Southeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy in the evening, then clearing. Patchy fog in the evening. Cold with lows in the lower 30s. South winds 5 to 10 mph, becoming west 10 to 15 mph with gusts up to 25 mph after midnight.

Day: Sunny. Highs in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Night: Mostly clear. Cold with lows in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Day: Mostly sunny. Highs in the mid 50s. Southwest winds 10 to 15 mph, becoming south 5 to 10 mph in the afternoon.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Night: Partly cloudy. Lows in the mid 30s. Highs in the mid 50s.

Day: Partly cloudy and breezy. Highs in the mid 40s. Lows in the upper 20s.

Night: Partly cloudy and breezy. Highs in the mid 40s. Lows in the upper 20s.

Day: Mostly sunny. A chance of snow showers in the afternoon. Highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. Chance of snow 50 percent.

Night: Mostly cloudy with a 30 percent chance of snow showers. Near steady temperature 18 to 23. Northwest winds up to 15 mph.

Day: Mostly sunny. Highs 30 to 37. West winds up to 10 mph.

Night: Partly cloudy. Near steady temperature 18 to 22. Northwest winds up to 10 mph.

Day: Mostly sunny. Highs 35 to 45. South winds up to 10 mph.

Night: Partly cloudy. Lows in the lower to mid 20s. Southwest winds up to 10 mph.

Day: Partly sunny. Highs 32 to 40. Chance of precipitation 20 percent.

Night: Snow showers likely. Lows 20 to 25. Chance of precipitation 60 percent.

Day: Partly sunny with a 30 percent chance of snow showers. Highs 22 to 32.

Night: Partly cloudy. Lows in the teens.

Day: Mostly sunny. Highs 26 to 36. Chance of precipitation 20 percent.

Night: Partly cloudy with a 40 percent chance of snow showers. Lows 17 to 22.

Day: Periods of snow showers. Highs 21 to 31. Chance of precipitation 80 percent.

Night: Mostly cloudy with a 50 percent chance of snow showers. Lows 10 to 16.

Day: Partly sunny with a 20 percent chance of snow showers. Highs 17 to 26.

Night: Mostly cloudy. Slight chance of rain early in the evening. Patchy fog after midnight. Lows in the mid 30s. Southeast winds 10 to 20 mph with gusts up to 25 mph. Chance of rain 20 percent.

Day: Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the mid 50s.

Night: Mostly clear. Lows near 30. South winds 10 to 15 mph in the evening, becoming light.

Day: Partly cloudy. Highs in the lower 60s.

Night: Partly cloudy. Lows in the lower to mid 30s. South winds 10 to 15 mph with gusts up to 30 mph.

Day: Partly cloudy. Highs in the upper 50s. Lows in the 30s.

Day: Partly cloudy. Highs in the upper 50s. Lows in the 30s.

Night: Mostly clear. Lows near 30.

Night: Partly cloudy. Highs in the mid 50s. Lows 30 to 36.

Day: Partly cloudy with a 20 percent chance of rain showers. Highs in the upper 50s.

Night: Rain and snow showers likely. Lows near 30. Chance of precipitation 60 percent.

Day: Partly cloudy with a 20 percent chance of snow showers. Highs in the upper 40s.

Night: Mostly cloudy. Chance of snow and rain early in the evening, then a slight chance of snow during the late evening hours. Lows 22 to 28. Chance of precipitation 40 percent.

Day: Mostly sunny. Highs 42 to 48.

Night: Mostly clear. Lows 21 to 27.

Day: Mostly sunny. Highs 47 to 55.

Night: Partly cloudy. Lows 24 to 30.

Day: Partly cloudy. Highs 44 to 52.

Night: Partly cloudy with a 10 percent chance of snow showers. Lows 25 to 31.

Day: Partly cloudy. Highs 38 to 47. Lows 18 to 26.

Day: Partly cloudy. Highs 38 to 47. Lows 18 to 26.

Night: Partly cloudy with a 20 percent chance of snow showers. Lows 21 to 27.

Night: Mostly cloudy with a 40 percent chance of snow showers. Highs 36 to 44. Lows 16 to 24.

Day: Mostly sunny. Highs 31 to 39.

Night: Mostly cloudy. Lows 25 to 35.

Day: Mostly sunny. Highs 45 to 55.

Night: Mostly clear. Lows in the 20s.

Day: Mostly sunny. Highs in the 50s.

Night: Partly cloudy. Lows 25 to 35.

Day: Mostly sunny in the morning, then becoming partly sunny. Highs in the 50s.

Night: Rain showers likely in the evening, then rain and snow showers with a slight chance of thunderstorms after midnight. Little or no snow accumulation. Lows 25 to 35.

Day: Mostly cloudy. Rain and snow showers likely in the morning, then a chance of rain showers in the afternoon. Little or no snow accumulation. Highs in the 40s. Chance of precipitation 70 percent.

Night: Partly cloudy. Slight chance of snow showers in the evening. Lows 15 to 25. Chance of snow 20 percent.

Day: Mostly sunny. Highs 45 to 55.

Night: Mostly cloudy. A chance of rain and snow showers in the evening, then rain and snow showers likely after midnight. Little or no snow accumulation. Lows in the 20s. Chance of precipitation 60 percent.

Day: Rain and snow showers. Little or no snow accumulation. Highs in the 40s.

Night: Snow showers. Little or no snow accumulation. Lows 15 to 25.

Day: Partly sunny with a chance of snow showers in the morning, then mostly sunny with a slight chance of snow showers in the afternoon. Highs 35 to 45. Chance of snow 40 percent.

Night: Mostly cloudy with a 30 percent chance of rain showers. Patchy fog. Lows in the lower to mid 30s. South winds up to 10 mph becoming northwest after midnight.

Day: Mostly cloudy in the morning then becoming mostly sunny. Patchy dense fog in the morning. Highs 46 to 51. South winds around 10 mph.

Night: Mostly cloudy. Near steady temperature near 30. Southwest winds 10 to 15 mph.

Day: Partly sunny. Highs 54 to 59. South winds 10 to 15 mph.

Night: Partly cloudy. Lows in the lower to mid 30s. Southwest winds around 10 mph.

Night: Partly cloudy. Highs near 60. Lows in the mid to upper 30s.

Day: Partly cloudy. Highs 48 to 57. Lows near 30.

Day: Partly cloudy. Highs 48 to 57. Lows near 30.

Night: Mostly cloudy. Lows in the lower 30s.

Day: Mostly sunny with a 20 percent chance of rain and snow showers. Highs 49 to 56.

Night: Partly cloudy with a 30 percent chance of snow showers. Lows in the mid 20s to lower 30s.

Day: Mostly sunny. Highs 42 to 48. Chance of precipitation 10 percent.