Hourly Weather Forecast - Petaluma, CA

12 AM
43°F
0%
3mph
ESE
Cloudy
Humidity
92%
Feels like
43°F
Dew Point
41°F
1 AM
43°F
0%
3mph
ESE
Cloudy
Humidity
91%
Feels like
43°F
Dew Point
40°F
2 AM
42°F
0%
3mph
ESE
Cloudy
Humidity
92%
Feels like
42°F
Dew Point
40°F
3 AM
42°F
0%
3mph
ESE
Cloudy
Humidity
93%
Feels like
42°F
Dew Point
40°F
4 AM
41°F
0%
3mph
ESE
Cloudy
Humidity
94%
Feels like
41°F
Dew Point
39°F
5 AM
41°F
0%
3mph
ESE
Cloudy
Humidity
94%
Feels like
41°F
Dew Point
39°F
6 AM
41°F
0%
3mph
ESE
Partly Cloudy
Humidity
93%
Feels like
41°F
Dew Point
39°F
7 AM
41°F
0%
3mph
ESE
Partly Cloudy
Humidity
92%
Feels like
41°F
Dew Point
39°F
7:17 AM
8 AM
42°F
0%
3mph
ESE
Partly Cloudy
Humidity
92%
Feels like
40°F
Dew Point
40°F
9 AM
43°F
0%
3mph
ESE
Hazy
Humidity
91%
Feels like
42°F
Dew Point
41°F
10 AM
45°F
0%
3mph
ESE
Mostly Sunny
Humidity
90%
Feels like
44°F
Dew Point
42°F
11 AM
47°F
0%
4mph
ESE
Mostly Sunny
Humidity
88%
Feels like
46°F
Dew Point
44°F
12 PM
49°F
0%
4mph
SE
Mostly Sunny
Humidity
87%
Feels like
48°F
Dew Point
45°F
1 PM
50°F
0%
4mph
SE
Mostly Sunny
Humidity
87%
Feels like
49°F
Dew Point
46°F
2 PM
50°F
0%
4mph
SE
Mostly Sunny
Humidity
85%
Feels like
49°F
Dew Point
45°F
3 PM
49°F
0%
3mph
SE
Mostly Sunny
Humidity
84%
Feels like
48°F
Dew Point
44°F
4 PM
48°F
0%
3mph
SE
Mostly Sunny
Humidity
85%
Feels like
48°F
Dew Point
44°F
4:50 PM
5 PM
47°F
0%
3mph
SE
Partly Cloudy
Humidity
84%
Feels like
47°F
Dew Point
42°F
6 PM
46°F
0%
2mph
ESE
Cloudy
Humidity
85%
Feels like
46°F
Dew Point
41°F
7 PM
45°F
0%
2mph
E
Cloudy
Humidity
85%
Feels like
45°F
Dew Point
41°F
8 PM
44°F
0%
2mph
E
Cloudy
Humidity
85%
Feels like
44°F
Dew Point
40°F
9 PM
43°F
0%
2mph
E
Cloudy
Humidity
86%
Feels like
43°F
Dew Point
39°F
10 PM
43°F
0%
3mph
E
Cloudy
Humidity
86%
Feels like
43°F
Dew Point
39°F
11 PM
42°F
0%
3mph
E
Cloudy
Humidity
87%
Feels like
42°F
Dew Point
38°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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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide