Sonoma, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sonoma, CA in one place.
Sunny, with a high near 89. West southwest wind 1 to 8 mph.
Local Weather Overview
This forecast page for Sonoma, 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: May 19, 2026 7:24 PM PDT.
The active forecast window currently covers May 20 to May 25, 2026 for Sonoma, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 20 to May 25, 2026
- Latest sync
- May 19, 2026 7:24 PM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Sonoma
Thursday looks like the warmest upcoming period in Sonoma at 91 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 0 to 9 mph SSW.
The forecast from May 20 through May 25 stays mostly dry.
Forecast Details
- Last updated
- May 19, 2026 7:24 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- MTR
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 52. West wind 0 to 8 mph.
Sunny, with a high near 91. South southwest wind 0 to 9 mph.
Clear, with a low around 52. West wind 0 to 9 mph.
Sunny, with a high near 89.
Patchy fog after 5am. Mostly clear, with a low around 48.
Sunny, with a high near 82.
Patchy fog after 4am. Mostly clear, with a low around 46.
Sunny, with a high near 83.
Mostly clear, with a low around 47.
Sunny, with a high near 82.
Mostly clear, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 20
|
Sunny
|
89°F |
1 to 8 mph
WSW
|
|
Wednesday Night
May 20
|
Mostly Clear
|
52°F |
0 to 8 mph
W
|
|
Thursday
May 21
|
Sunny
|
91°F |
0 to 9 mph
SSW
|
|
Thursday Night
May 21
|
Clear
|
52°F |
0 to 9 mph
W
|
|
Friday
May 22
|
Sunny
|
89°F |
0 to 9 mph
SSW
|
|
Friday Night
May 22
|
Mostly Clear then Patchy Fog
|
48°F |
1 to 9 mph
WSW
|
|
Saturday
May 23
|
Sunny
|
82°F |
0 to 9 mph
WSW
|
|
Saturday Night
May 23
|
Mostly Clear then Patchy Fog
|
46°F |
0 to 9 mph
WSW
|
|
Sunday
May 24
|
Sunny
|
83°F |
0 to 9 mph
WSW
|
|
Sunday Night
May 24
|
Mostly Clear
|
47°F |
1 to 9 mph
WSW
|
|
Memorial Day
May 25
|
Sunny
|
82°F |
0 to 9 mph
WSW
|
|
Monday Night
May 25
|
Mostly Clear
|
49°F |
2 to 9 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sonoma.