Weather WorldThe Tarn, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
The Tarn, CA Weather Forecast
The Tarn, CA Weather Forecast Date: 1231 AM PST Wed Nov 11 2026
The area/counties/county of: San Bernardino County Mountains, including the cities of: Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, and Wrightwood.or toggle through each period.
Today... Sunny. Highs 55 to 65 above 6000 feet to 65 to 75 below 6000 feet. Areas of winds east 10 to 15 mph. Gusts to 25 mph this morning.
Tonight... Clear, colder. Lows 32 to 42 above 6000 feet to 43 to 51 below 6000 feet. Areas of winds south 10 mph.
Thursday... Mostly sunny. Highs 52 to 62 above 6000 feet to 61 to 71 below 6000 feet. Areas of winds south 10 to 15 mph with gusts to 25 mph.
Thursday Night... Mostly clear in the evening, then partly cloudy with a slight chance of showers overnight. Lows 32 to 40 above 6000 feet to 39 to 48 below 6000 feet. Snow level above 8000 feet. Areas of winds south 10 to 15 mph. Chance of measurable precipitation 20%.
Friday... Partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs 45 to 54 above 6000 feet to 51 to 61 below 6000 feet. Snow level above 8000 feet. Areas of winds south 10 to 15 mph with gusts to 25 mph. Chance of measurable precipitation 50%.
Friday Night... Mostly cloudy. A chance of showers in the evening, then showers likely overnight. Windy. Lows 34 to 44. Snow level above 8000 feet.
Saturday... Mostly cloudy with showers likely in the morning, then partly cloudy with a slight chance of showers in the afternoon. Breezy. Highs 42 to 51 above 6000 feet to 47 to 57 below 6000 feet. Snow level above 8000 feet.
Saturday Night... Partly cloudy. Colder. Lows 28 to 38.
Sunday... Partly cloudy in the morning...Becoming mostly sunny. Highs 44 to 53 above 6000 feet to 50 to 60 below 6000 feet.
Sunday Night... Partly cloudy. Lows 29 to 39.
Monday... Partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs 41 to 50 above 6000 feet to 47 to 57 below 6000 feet. Snow level above 8000 feet.
Monday Night... Snow showers likely. Showers likely. Lows 27 to 37. Snow level 7500 feet...Becoming 7000 feet.
POP = Probability of Precipitation
The Tarn Radar Loop
Use the map search tool if you want to place a location marker on the radar map...