Hourly Weather Forecast - Vallejo, CA

12 AM
49°F
80%
15mph
S
80% Chance of Light Rain
Humidity
87%
Feels like
44°F
Dew Point
46°F
1 AM
49°F
80%
14mph
S
80% Chance of Rain
Humidity
87%
Feels like
44°F
Dew Point
46°F
2 AM
49°F
70%
13mph
S
70% Chance of Rain
Humidity
86%
Feels like
44°F
Dew Point
45°F
3 AM
49°F
70%
13mph
S
70% Chance of Rain
Humidity
86%
Feels like
45°F
Dew Point
46°F
4 AM
50°F
70%
12mph
S
70% Chance of Light Rain
Humidity
86%
Feels like
45°F
Dew Point
46°F
5 AM
50°F
70%
10mph
S
70% Chance Rain Showers
Humidity
85%
Feels like
50°F
Dew Point
46°F
6 AM
50°F
70%
10mph
S
70% Chance Rain Showers
Humidity
86%
Feels like
50°F
Dew Point
46°F
7 AM
50°F
60%
11mph
S
60% Chance Rain Showers
Humidity
88%
Feels like
50°F
Dew Point
47°F
7:23 AM
8 AM
50°F
60%
11mph
S
60% Chance Rain Showers
Humidity
89%
Feels like
50°F
Dew Point
47°F
9 AM
50°F
50%
12mph
S
50% Chance Rain Showers
Humidity
92%
Feels like
50°F
Dew Point
48°F
10 AM
50°F
50%
13mph
S
50% Chance Rain Showers
Humidity
95%
Feels like
45°F
Dew Point
49°F
11 AM
49°F
50%
13mph
S
50% Chance Rain Showers
Humidity
98%
Feels like
45°F
Dew Point
49°F
12 PM
49°F
60%
13mph
S
60% Chance Rain Showers
Humidity
100%
Feels like
44°F
Dew Point
49°F
1 PM
48°F
60%
13mph
S
60% Chance Rain Showers
Humidity
100%
Feels like
43°F
Dew Point
48°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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