Hourly Weather Forecast - Petaluma, CA

12 AM
42°F
0%
1mph
ENE
Cloudy
Humidity
95%
Feels like
42°F
Dew Point
40°F
1 AM
42°F
0%
1mph
ENE
Cloudy
Humidity
95%
Feels like
42°F
Dew Point
40°F
2 AM
41°F
0%
2mph
E
Cloudy
Humidity
96%
Feels like
41°F
Dew Point
40°F
3 AM
41°F
0%
2mph
E
Cloudy
Humidity
96%
Feels like
41°F
Dew Point
40°F
4 AM
40°F
0%
2mph
E
Cloudy
Humidity
96%
Feels like
40°F
Dew Point
40°F
5 AM
40°F
0%
2mph
E
Cloudy
Humidity
98%
Feels like
40°F
Dew Point
39°F
6 AM
40°F
0%
2mph
ENE
Cloudy
Humidity
97%
Feels like
40°F
Dew Point
39°F
7 AM
40°F
0%
2mph
ENE
Cloudy
Humidity
96%
Feels like
40°F
Dew Point
39°F
7:19 AM
8 AM
41°F
0%
2mph
ENE
Cloudy
Humidity
98%
Feels like
41°F
Dew Point
40°F
9 AM
43°F
0%
2mph
ENE
Partly Cloudy
Humidity
96%
Feels like
43°F
Dew Point
42°F
10 AM
45°F
0%
2mph
E
Hazy
Humidity
91%
Feels like
45°F
Dew Point
42°F
11 AM
47°F
0%
2mph
ESE
Mostly Sunny
Humidity
88%
Feels like
47°F
Dew Point
44°F
12 PM
49°F
0%
2mph
SE
Mostly Sunny
Humidity
85%
Feels like
49°F
Dew Point
45°F
1 PM
51°F
0%
2mph
SE
Mostly Sunny
Humidity
84%
Feels like
51°F
Dew Point
46°F
2 PM
51°F
0%
2mph
SE
Mostly Sunny
Humidity
83%
Feels like
51°F
Dew Point
46°F
3 PM
50°F
0%
2mph
SE
Mostly Sunny
Humidity
83%
Feels like
50°F
Dew Point
45°F
4 PM
48°F
0%
1mph
SE
Partly Cloudy
Humidity
87%
Feels like
48°F
Dew Point
44°F
4:51 PM
5 PM
46°F
0%
1mph
SE
Partly Cloudy
Humidity
89%
Feels like
46°F
Dew Point
43°F
6 PM
45°F
0%
2mph
E
Cloudy
Humidity
90%
Feels like
45°F
Dew Point
42°F
7 PM
44°F
0%
2mph
ENE
Cloudy
Humidity
91%
Feels like
44°F
Dew Point
42°F
8 PM
44°F
0%
2mph
ENE
Cloudy
Humidity
92%
Feels like
44°F
Dew Point
42°F
9 PM
44°F
0%
2mph
NE
Cloudy
Humidity
94%
Feels like
44°F
Dew Point
42°F
10 PM
43°F
0%
2mph
NE
Cloudy
Humidity
94%
Feels like
43°F
Dew Point
42°F
11 PM
43°F
0%
2mph
NE
Cloudy
Humidity
95%
Feels like
43°F
Dew Point
42°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