Hourly Weather Forecast - Vallejo, CA

12 AM
43°F
0%
5mph
NE
Cloudy
Humidity
93%
Feels like
40°F
Dew Point
42°F
1 AM
43°F
0%
5mph
ENE
Cloudy
Humidity
93%
Feels like
40°F
Dew Point
42°F
2 AM
43°F
10%
5mph
ENE
Cloudy
Humidity
94%
Feels like
40°F
Dew Point
41°F
3 AM
43°F
10%
5mph
ENE
Cloudy
Humidity
94%
Feels like
40°F
Dew Point
41°F
4 AM
43°F
10%
5mph
ENE
Cloudy
Humidity
94%
Feels like
40°F
Dew Point
41°F
5 AM
42°F
10%
4mph
E
Cloudy
Humidity
96%
Feels like
40°F
Dew Point
41°F
6 AM
43°F
10%
4mph
ENE
Cloudy
Humidity
95%
Feels like
40°F
Dew Point
41°F
7 AM
43°F
10%
4mph
ENE
Cloudy
Humidity
96%
Feels like
41°F
Dew Point
42°F
7:18 AM
8 AM
44°F
10%
4mph
ENE
Cloudy
Humidity
95%
Feels like
42°F
Dew Point
43°F
9 AM
46°F
10%
4mph
E
Cloudy
Humidity
93%
Feels like
44°F
Dew Point
44°F
10 AM
47°F
10%
4mph
E
Cloudy
Humidity
93%
Feels like
46°F
Dew Point
46°F
11 AM
49°F
10%
4mph
ENE
Cloudy
Humidity
92%
Feels like
47°F
Dew Point
47°F
12 PM
50°F
10%
4mph
ENE
Mostly Cloudy
Humidity
89%
Feels like
50°F
Dew Point
47°F
1 PM
51°F
10%
4mph
ENE
Mostly Cloudy
Humidity
89%
Feels like
51°F
Dew Point
48°F
2 PM
52°F
10%
4mph
E
Cloudy
Humidity
90%
Feels like
52°F
Dew Point
49°F
3 PM
51°F
10%
4mph
SE
Cloudy
Humidity
88%
Feels like
51°F
Dew Point
48°F
4 PM
50°F
20%
4mph
SSE
Cloudy
Humidity
89%
Feels like
50°F
Dew Point
47°F
4:50 PM
5 PM
49°F
20%
5mph
SSE
Cloudy
Humidity
85%
Feels like
47°F
Dew Point
45°F
6 PM
48°F
20%
5mph
S
Cloudy
Humidity
85%
Feels like
46°F
Dew Point
44°F
7 PM
48°F
20%
5mph
S
Cloudy
Humidity
82%
Feels like
46°F
Dew Point
43°F
8 PM
48°F
20%
5mph
S
Cloudy
Humidity
81%
Feels like
46°F
Dew Point
42°F
9 PM
48°F
20%
5mph
SSW
Cloudy
Humidity
80%
Feels like
46°F
Dew Point
42°F
10 PM
48°F
20%
5mph
SSW
Cloudy
Humidity
80%
Feels like
46°F
Dew Point
42°F
11 PM
48°F
20%
5mph
SSW
Cloudy
Humidity
81%
Feels like
46°F
Dew Point
43°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

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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide