Weather WorldLasen County Fairgrounds, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Lasen County Fairgrounds, CA Weather Forecast
Lasen County Fairgrounds, CA Weather Forecast Date: 231 AM PDT Mon Oct 12 2026
The area/counties/county of: Lassen, including the cities of: Portola, Susanville, Westwood, Sierraville, and Loyalton.or toggle through each period.
Today... Partly cloudy in the morning then becoming sunny. Highs 48 to 58. North winds 10 to 15 mph.
Tonight... Clear. Lows 17 to 27. North winds around 10 mph in the evening becoming light.
Tuesday... Sunny. Highs 55 to 65. Light winds becoming northeast around 10 mph in the afternoon.
Tuesday Night... Clear. Lows 23 to 33. Light winds.
Wednesday... Sunny. Highs 62 to 72. Light winds.
Wednesday Night... Clear. Lows 29 to 39.
Thursday... Clear. Highs 68 to 78. Lows 31 to 41.
Friday... Clear. Highs 68 to 78. Lows 31 to 41.
Saturday... Clear. Highs 68 to 78. Lows 31 to 41.
POP = Probability of Precipitation
Lasen County Fairgrounds Radar Loop
Use the map search tool if you want to place a location marker on the radar map...