7-Day Forecast 39.5°N 121.67°W (Text-Only)
NWS Forecast for: 4 Miles WNW Thermalito CA
Issued by: National Weather Service Sacramento, CA
Last Update: 12:31 pm PDT Jul 13, 2025




This Afternoon: Sunny and hot, with a high near 99. South wind 6 to 8 mph.

Tonight: Clear, with a low around 66. South southeast wind 5 to 7 mph becoming calm after midnight.

Monday: Sunny and hot, with a high near 101. Calm wind becoming south 5 to 8 mph in the afternoon.

Monday Night: Clear, with a low around 64. South southeast wind 6 to 8 mph.

Tuesday: Sunny, with a high near 95. Light south southeast wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night: Clear, with a low around 61.

Wednesday: Sunny, with a high near 91.

Wednesday Night: Clear, with a low around 61.

Thursday: Sunny, with a high near 92.

Thursday Night: Clear, with a low around 61.

Friday: Sunny, with a high near 94.

Friday Night: Clear, with a low around 62.

Saturday: Sunny, with a high near 95.



4 Miles WNW Thermalito CA
 39.5°N 121.67°W (Elev. 121 ft)

Visit your local NWS office at: https://www.weather.gov/sto