Hourly Weather Forecast - Petaluma, CA

12 AM
42°F
0%
3mph
E
Partly Cloudy
Humidity
85%
Feels like
42°F
Dew Point
38°F
1 AM
42°F
0%
3mph
E
Partly Cloudy
Humidity
84%
Feels like
42°F
Dew Point
37°F
2 AM
41°F
0%
3mph
E
Partly Cloudy
Humidity
84%
Feels like
41°F
Dew Point
37°F
3 AM
41°F
0%
3mph
E
Partly Cloudy
Humidity
84%
Feels like
41°F
Dew Point
37°F
4 AM
40°F
0%
3mph
E
Partly Cloudy
Humidity
85%
Feels like
40°F
Dew Point
36°F
5 AM
40°F
0%
3mph
E
Partly Cloudy
Humidity
85%
Feels like
40°F
Dew Point
36°F
6 AM
40°F
0%
3mph
E
Partly Cloudy
Humidity
85%
Feels like
40°F
Dew Point
35°F
7 AM
40°F
0%
3mph
E
Partly Cloudy
Humidity
83%
Feels like
40°F
Dew Point
35°F
7:18 AM
8 AM
41°F
0%
3mph
E
Partly Cloudy
Humidity
84%
Feels like
41°F
Dew Point
37°F
9 AM
44°F
0%
3mph
E
Mostly Sunny
Humidity
82%
Feels like
44°F
Dew Point
38°F
10 AM
46°F
0%
3mph
E
Mostly Sunny
Humidity
78%
Feels like
45°F
Dew Point
40°F
11 AM
49°F
0%
4mph
ESE
Mostly Sunny
Humidity
76%
Feels like
48°F
Dew Point
42°F
12 PM
50°F
0%
4mph
ESE
Mostly Sunny
Humidity
76%
Feels like
50°F
Dew Point
43°F
1 PM
51°F
0%
4mph
ESE
Mostly Sunny
Humidity
77%
Feels like
51°F
Dew Point
44°F
2 PM
51°F
0%
4mph
ESE
Mostly Sunny
Humidity
76%
Feels like
51°F
Dew Point
44°F
3 PM
50°F
0%
3mph
SE
Partly Cloudy
Humidity
77%
Feels like
50°F
Dew Point
43°F
4 PM
48°F
0%
3mph
SE
Partly Cloudy
Humidity
80%
Feels like
48°F
Dew Point
42°F
4:50 PM
5 PM
46°F
0%
2mph
SE
Partly Cloudy
Humidity
82%
Feels like
46°F
Dew Point
41°F
6 PM
45°F
0%
2mph
ESE
Cloudy
Humidity
84%
Feels like
45°F
Dew Point
40°F
7 PM
44°F
0%
2mph
ESE
Cloudy
Humidity
86%
Feels like
44°F
Dew Point
40°F
8 PM
44°F
0%
2mph
E
Cloudy
Humidity
88%
Feels like
44°F
Dew Point
40°F
9 PM
43°F
0%
2mph
E
Cloudy
Humidity
91%
Feels like
43°F
Dew Point
40°F
10 PM
43°F
0%
2mph
ENE
Cloudy
Humidity
92%
Feels like
43°F
Dew Point
40°F
11 PM
42°F
0%
2mph
ENE
Cloudy
Humidity
94%
Feels like
42°F
Dew Point
40°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

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide