Hourly Weather Forecast - Hercules, CA

12 AM
45°F
0%
2mph
S
Partly Cloudy
Humidity
97%
Feels like
45°F
Dew Point
44°F
1 AM
45°F
10%
2mph
SSE
Mostly Cloudy
Humidity
98%
Feels like
45°F
Dew Point
45°F
2 AM
46°F
10%
2mph
SSE
Foggy
Humidity
99%
Feels like
46°F
Dew Point
45°F
3 AM
46°F
10%
2mph
SE
Foggy
Humidity
99%
Feels like
46°F
Dew Point
46°F
4 AM
47°F
10%
2mph
ESE
Foggy
Humidity
99%
Feels like
47°F
Dew Point
46°F
5 AM
47°F
10%
2mph
ESE
Foggy
Humidity
100%
Feels like
47°F
Dew Point
47°F
6 AM
47°F
10%
2mph
ESE
Foggy
Humidity
100%
Feels like
47°F
Dew Point
47°F
7 AM
47°F
10%
2mph
E
Foggy
Humidity
100%
Feels like
47°F
Dew Point
47°F
7:18 AM
8 AM
48°F
10%
3mph
E
Foggy
Humidity
100%
Feels like
48°F
Dew Point
48°F
9 AM
49°F
10%
3mph
E
Cloudy
Humidity
98%
Feels like
49°F
Dew Point
48°F
10 AM
49°F
10%
3mph
E
Cloudy
Humidity
96%
Feels like
49°F
Dew Point
48°F
11 AM
50°F
10%
3mph
E
Cloudy
Humidity
98%
Feels like
49°F
Dew Point
49°F
12 PM
50°F
10%
3mph
E
Foggy
Humidity
100%
Feels like
50°F
Dew Point
50°F
1 PM
51°F
10%
3mph
ESE
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
2 PM
51°F
10%
2mph
SE
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
3 PM
49°F
0%
2mph
S
Foggy
Humidity
100%
Feels like
49°F
Dew Point
49°F
4 PM
47°F
0%
3mph
SSW
Foggy
Humidity
100%
Feels like
47°F
Dew Point
47°F
4:50 PM
5 PM
47°F
0%
3mph
SSW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
47°F
6 PM
48°F
0%
3mph
S
Foggy
Humidity
100%
Feels like
47°F
Dew Point
48°F
7 PM
49°F
0%
4mph
SSW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
49°F
8 PM
49°F
0%
4mph
SSW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
49°F
9 PM
50°F
0%
5mph
SSW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
50°F
10 PM
50°F
10%
6mph
SSW
Foggy
Humidity
100%
Feels like
50°F
Dew Point
50°F
11 PM
51°F
30%
6mph
SSW
30% Chance of Light Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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