Petaluma, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Petaluma, CA in one place.
Sunny, with a high near 82.
Local Weather Overview
This forecast page for Petaluma, 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: Jul 12, 2026 1:08 AM PDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Petaluma, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 1:08 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Petaluma
Wednesday looks like the warmest upcoming period in Petaluma at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Wednesday Night at about 10 to 15 mph WNW.
The forecast from Jul 14 through Jul 18 stays mostly dry.
Forecast Details
- Last updated
- Jul 12, 2026 1:08 AM PDT
- Coverage
- 5 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
Clear, with a low around 73.
Sunny, with a high near 83.
Mostly clear, with a low around 68.
Sunny, with a high near 80.
Mostly clear, with a low around 66.
Sunny, with a high near 76.
Partly cloudy, with a low around 64.
Sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
82°F |
3 to 12 mph
W
|
|
Tuesday Night
Jul 14
|
Clear
|
73°F |
8 to 12 mph
WNW
|
|
Wednesday
Jul 15
|
Sunny
|
83°F |
7 to 13 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
68°F |
10 to 15 mph
WNW
|
|
Thursday
Jul 16
|
Sunny
|
80°F |
6 to 10 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
66°F |
3 to 9 mph
W
|
|
Friday
Jul 17
|
Sunny
|
76°F |
3 to 9 mph
SW
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
64°F |
2 to 9 mph
WSW
|
|
Saturday
Jul 18
|
Sunny
|
74°F |
3 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Petaluma.