Hourly Weather Forecast - Vallejo, CA

12 AM
55°F
100%
14mph
SSW
Rain
Humidity
87%
Feels like
55°F
Dew Point
52°F
1 AM
55°F
100%
13mph
SSW
Rain
Humidity
87%
Feels like
55°F
Dew Point
52°F
2 AM
55°F
90%
11mph
SSW
Light Rain
Humidity
88%
Feels like
55°F
Dew Point
52°F
3 AM
56°F
90%
9mph
SW
Light Rain
Humidity
88%
Feels like
56°F
Dew Point
52°F
4 AM
56°F
80%
7mph
SW
80% Chance of Light Rain
Humidity
88%
Feels like
56°F
Dew Point
52°F
5 AM
56°F
80%
6mph
SW
80% Chance of Light Rain
Humidity
89%
Feels like
56°F
Dew Point
52°F
6 AM
56°F
70%
6mph
SW
70% Chance of Light Rain
Humidity
91%
Feels like
56°F
Dew Point
53°F
7 AM
55°F
70%
5mph
WSW
70% Chance of Light Rain
Humidity
92%
Feels like
55°F
Dew Point
53°F
7:22 AM
8 AM
55°F
70%
5mph
WSW
70% Chance of Light Rain
Humidity
93%
Feels like
55°F
Dew Point
53°F
9 AM
55°F
70%
5mph
WSW
70% Chance of Light Rain
Humidity
95%
Feels like
55°F
Dew Point
54°F
10 AM
55°F
70%
5mph
WSW
70% Chance of Light Rain
Humidity
97%
Feels like
55°F
Dew Point
54°F
11 AM
55°F
70%
5mph
WSW
70% Chance of Light Rain
Humidity
97%
Feels like
55°F
Dew Point
54°F
12 PM
54°F
70%
5mph
WSW
70% Chance of Light Rain
Humidity
99%
Feels like
54°F
Dew Point
54°F
1 PM
53°F
80%
5mph
WSW
80% Chance of Light Rain
Humidity
100%
Feels like
53°F
Dew Point
53°F
2 PM
52°F
80%
5mph
WSW
80% Chance of Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
3 PM
51°F
80%
5mph
WSW
80% Chance of Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
4 PM
49°F
80%
5mph
WSW
80% Chance of Rain
Humidity
100%
Feels like
47°F
Dew Point
49°F
4:53 PM
5 PM
49°F
90%
5mph
WSW
Rain
Humidity
100%
Feels like
47°F
Dew Point
49°F
6 PM
49°F
80%
5mph
SW
80% Chance of Rain
Humidity
100%
Feels like
47°F
Dew Point
49°F
7 PM
49°F
80%
5mph
SW
80% Chance of Rain
Humidity
100%
Feels like
48°F
Dew Point
49°F
8 PM
50°F
70%
5mph
WSW
70% Chance of Rain
Humidity
98%
Feels like
50°F
Dew Point
50°F
9 PM
51°F
70%
5mph
W
70% Chance of Rain
Humidity
95%
Feels like
51°F
Dew Point
50°F
10 PM
51°F
60%
5mph
W
60% Chance of Light Rain
Humidity
93%
Feels like
51°F
Dew Point
49°F
11 PM
51°F
60%
5mph
WNW
60% Chance of Light Rain
Humidity
92%
Feels like
51°F
Dew Point
49°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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