Weather forecast for: Longmont CO
Last Update: 12:46 am MDT Oct 11, 2026
Today: Partly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon.
Tonight: Partly cloudy, with a low around 52. North northwest wind around 5 mph becoming light and variable after midnight.
Columbus Day: Sunny, with a high near 80. Light and variable wind becoming south southeast 5 to 7 mph in the morning. Winds could gust as high as 18 mph.
Monday Night: Partly cloudy, with a low around 48. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 26 mph.
Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 67. East northeast wind 3 to 6 mph. Winds could gust as high as 15 mph.
Tuesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Wednesday: Showers, with thunderstorms also possible after noon. High near 59. Chance of precipitation is 80%.
Wednesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 41.
Thursday: A slight chance of showers. Mostly sunny, with a high near 63.
Thursday Night: A chance of showers. Mostly cloudy, with a low around 37.
Friday: Sunny, with a high near 60.
Friday Night: Mostly clear, with a low around 36.
Saturday: Sunny, with a high near 69.
WeatherWorld.com
Municipality of Longmont, CO
