Hourly Weather Forecast - Vallejo, CA

12 AM
43°F
0%
4mph
NE
Cloudy
Humidity
93%
Feels like
40°F
Dew Point
41°F
1 AM
43°F
0%
5mph
NNE
Cloudy
Humidity
94%
Feels like
40°F
Dew Point
41°F
2 AM
43°F
0%
5mph
NNE
Cloudy
Humidity
95%
Feels like
40°F
Dew Point
41°F
3 AM
42°F
0%
5mph
NE
Cloudy
Humidity
95%
Feels like
39°F
Dew Point
41°F
4 AM
42°F
0%
5mph
NE
Cloudy
Humidity
95%
Feels like
39°F
Dew Point
41°F
5 AM
42°F
0%
5mph
ENE
Cloudy
Humidity
95%
Feels like
39°F
Dew Point
41°F
6 AM
43°F
0%
5mph
ENE
Cloudy
Humidity
94%
Feels like
40°F
Dew Point
41°F
7 AM
43°F
0%
5mph
ENE
Cloudy
Humidity
95%
Feels like
40°F
Dew Point
42°F
7:17 AM
8 AM
45°F
0%
5mph
ENE
Cloudy
Humidity
94%
Feels like
42°F
Dew Point
43°F
9 AM
46°F
0%
5mph
ENE
Cloudy
Humidity
93%
Feels like
43°F
Dew Point
44°F
10 AM
47°F
0%
5mph
ENE
Cloudy
Humidity
93%
Feels like
45°F
Dew Point
45°F
11 AM
48°F
0%
5mph
ENE
Cloudy
Humidity
93%
Feels like
46°F
Dew Point
46°F
12 PM
49°F
0%
5mph
ENE
Cloudy
Humidity
89%
Feels like
47°F
Dew Point
46°F
1 PM
50°F
0%
5mph
ENE
Cloudy
Humidity
88%
Feels like
50°F
Dew Point
47°F
2 PM
50°F
0%
5mph
ENE
Cloudy
Humidity
88%
Feels like
50°F
Dew Point
47°F
3 PM
50°F
0%
5mph
ENE
Mostly Cloudy
Humidity
86%
Feels like
50°F
Dew Point
46°F
4 PM
48°F
0%
5mph
ENE
Mostly Cloudy
Humidity
88%
Feels like
46°F
Dew Point
45°F
4:49 PM
5 PM
46°F
0%
5mph
ENE
Mostly Cloudy
Humidity
91%
Feels like
44°F
Dew Point
44°F
6 PM
45°F
0%
5mph
ENE
Cloudy
Humidity
94%
Feels like
43°F
Dew Point
44°F
7 PM
44°F
0%
5mph
ENE
Cloudy
Humidity
93%
Feels like
42°F
Dew Point
43°F
8 PM
44°F
0%
5mph
NE
Cloudy
Humidity
93%
Feels like
41°F
Dew Point
42°F
9 PM
44°F
0%
5mph
NE
Cloudy
Humidity
92%
Feels like
41°F
Dew Point
42°F
10 PM
44°F
0%
5mph
NE
Cloudy
Humidity
91%
Feels like
41°F
Dew Point
41°F
11 PM
44°F
0%
5mph
NE
Cloudy
Humidity
92%
Feels like
41°F
Dew Point
41°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