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 61. North northwest wind 5 to 12 mph, with gusts as high as 20 mph.
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: Oct 12, 2026 1:42 AM PDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Petaluma, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 1:42 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Petaluma
Friday looks like the warmest upcoming period in Petaluma at 77 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 12 mph NNW.
The forecast from Oct 13 through Oct 18 stays mostly dry.
Forecast Details
- Last updated
- Oct 12, 2026 1:42 AM PDT
- Coverage
- 6 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 53. North northwest wind around 7 mph.
Sunny, with a high near 67.
Clear, with a low around 60.
Sunny, with a high near 75.
Clear, with a low around 66.
Sunny, with a high near 77.
Clear, with a low around 67.
Sunny, with a high near 74.
Clear, with a low around 63.
Sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
61°F |
5 to 12 mph
NNW
|
|
Tuesday Night
Oct 13
|
Clear
|
53°F |
7 mph
NNW
|
|
Wednesday
Oct 14
|
Sunny
|
67°F |
2 to 8 mph
NE
|
|
Wednesday Night
Oct 14
|
Clear
|
60°F |
2 to 9 mph
NNW
|
|
Thursday
Oct 15
|
Sunny
|
75°F |
5 to 12 mph
NE
|
|
Thursday Night
Oct 15
|
Clear
|
66°F |
1 to 7 mph
NNE
|
|
Friday
Oct 16
|
Sunny
|
77°F |
3 to 8 mph
NE
|
|
Friday Night
Oct 16
|
Clear
|
67°F |
3 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
74°F |
1 to 5 mph
ESE
|
|
Saturday Night
Oct 17
|
Clear
|
63°F |
1 to 5 mph
WNW
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
1 to 6 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Petaluma.