Hourly Weather Forecast - Vallejo, CA

12 AM
48°F
20%
4mph
SW
Cloudy
Humidity
80%
Feels like
46°F
Dew Point
42°F
1 AM
48°F
20%
4mph
SW
Cloudy
Humidity
81%
Feels like
46°F
Dew Point
43°F
2 AM
48°F
20%
4mph
SW
Cloudy
Humidity
83%
Feels like
46°F
Dew Point
43°F
3 AM
47°F
20%
4mph
SW
Cloudy
Humidity
85%
Feels like
46°F
Dew Point
43°F
4 AM
47°F
20%
4mph
SW
Cloudy
Humidity
87%
Feels like
45°F
Dew Point
43°F
5 AM
46°F
20%
5mph
SW
Cloudy
Humidity
93%
Feels like
43°F
Dew Point
43°F
6 AM
46°F
20%
5mph
SSW
Cloudy
Humidity
94%
Feels like
43°F
Dew Point
44°F
7 AM
46°F
20%
5mph
SSW
Cloudy
Humidity
96%
Feels like
43°F
Dew Point
45°F
7:18 AM
8 AM
47°F
20%
5mph
SSW
Cloudy
Humidity
96%
Feels like
45°F
Dew Point
46°F
9 AM
50°F
20%
5mph
SSW
Cloudy
Humidity
93%
Feels like
48°F
Dew Point
48°F
10 AM
51°F
20%
5mph
SW
Cloudy
Humidity
93%
Feels like
51°F
Dew Point
49°F
11 AM
53°F
30%
5mph
SW
30% Chance of Light Rain
Humidity
93%
Feels like
53°F
Dew Point
51°F
12 PM
55°F
30%
6mph
SW
30% Chance of Light Rain
Humidity
89%
Feels like
55°F
Dew Point
51°F
1 PM
55°F
30%
6mph
SW
30% Chance of Light Rain
Humidity
90%
Feels like
55°F
Dew Point
53°F
2 PM
56°F
30%
7mph
SW
30% Chance of Light Rain
Humidity
91%
Feels like
56°F
Dew Point
54°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday'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