Thermalito, CA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Thermalito, CA in one place.
Rain likely before 11am, then showers and thunderstorms. Mostly cloudy. High near 65, with temperatures falling to around 63 in the afternoon. South southeast wind 3 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Thermalito, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 12:13 PM PDT.
The active forecast window currently covers Apr 10 to Apr 15, 2026 for Thermalito, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 12:13 PM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Thermalito
Wednesday looks like the warmest upcoming period in Thermalito at 72 degrees F.
Sunday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Saturday at about 10 to 17 mph SSE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 12:13 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KBBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 8pm, then rain between 8pm and 11pm, then showers and thunderstorms between 11pm and 5am, then rain. Cloudy, with a low around 52. South southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain before 11am, then showers and thunderstorms. Cloudy, with a high near 58. South southeast wind 10 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Showers and thunderstorms before 8pm, then rain. Cloudy, with a low around 46. Chance of precipitation is 100%.
Rain before 11am, then showers and thunderstorms between 11am and 5pm, then a chance of rain. Mostly cloudy, with a high near 57.
A chance of rain before 5am. Mostly cloudy, with a low around 44.
Mostly sunny, with a high near 65.
Mostly clear, with a low around 45.
Sunny, with a high near 70.
Mostly clear, with a low around 47.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Showers And Thunderstorms
|
65°F |
3 to 9 mph
SSE
|
|
Friday Night
Apr 10
|
Showers And Thunderstorms
|
52°F |
10 mph
SSE
|
|
Saturday
Apr 11
|
Showers And Thunderstorms
|
58°F |
10 to 17 mph
SSE
|
|
Saturday Night
Apr 11
|
Showers And Thunderstorms then Rain
|
46°F |
7 to 14 mph
SSE
|
|
Sunday
Apr 12
|
Showers And Thunderstorms
|
57°F |
7 to 10 mph
SSE
|
|
Sunday Night
Apr 12
|
Chance Light Rain
|
44°F |
2 to 8 mph
ESE
|
|
Monday
Apr 13
|
Mostly Sunny
|
65°F |
5 mph
SSW
|
|
Monday Night
Apr 13
|
Mostly Clear
|
45°F |
3 mph
SE
|
|
Tuesday
Apr 14
|
Sunny
|
70°F |
5 mph
SSE
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
47°F |
5 mph
ESE
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
72°F |
1 to 5 mph
SSE
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
50°F |
5 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Thermalito.