Hourly Weather Forecast - Petaluma, CA

7:17 AM
8 AM
42°F
0%
3mph
ESE
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
9 AM
44°F
0%
3mph
ESE
Foggy
Humidity
100%
Feels like
44°F
Dew Point
43°F
10 AM
46°F
0%
3mph
ESE
Partly Cloudy
Humidity
97%
Feels like
46°F
Dew Point
45°F
11 AM
48°F
0%
3mph
SE
Hazy
Humidity
94%
Feels like
47°F
Dew Point
46°F
12 PM
50°F
0%
3mph
SE
Hazy
Humidity
91%
Feels like
49°F
Dew Point
47°F
1 PM
51°F
0%
3mph
SE
Mostly Sunny
Humidity
90%
Feels like
51°F
Dew Point
48°F
2 PM
51°F
0%
3mph
SE
Sunny
Humidity
88%
Feels like
51°F
Dew Point
47°F
3 PM
50°F
0%
3mph
SE
Sunny
Humidity
88%
Feels like
50°F
Dew Point
46°F
4 PM
49°F
0%
2mph
SE
Sunny
Humidity
88%
Feels like
49°F
Dew Point
45°F
4:50 PM
5 PM
47°F
0%
2mph
SE
Clear
Humidity
89%
Feels like
47°F
Dew Point
44°F
6 PM
46°F
0%
2mph
ESE
Clear
Humidity
89%
Feels like
46°F
Dew Point
43°F
7 PM
46°F
0%
2mph
ESE
Mostly Clear
Humidity
88%
Feels like
46°F
Dew Point
42°F
8 PM
45°F
0%
2mph
ESE
Mostly Clear
Humidity
88%
Feels like
45°F
Dew Point
42°F
9 PM
44°F
0%
2mph
ESE
Mostly Clear
Humidity
90%
Feels like
44°F
Dew Point
42°F
10 PM
44°F
0%
2mph
ESE
Mostly Clear
Humidity
90%
Feels like
44°F
Dew Point
41°F
11 PM
44°F
0%
3mph
ESE
Mostly Clear
Humidity
90%
Feels like
44°F
Dew Point
41°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Rains Finally Easing Across the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide