Hourly Weather Forecast - Hercules, CA

12 AM
46°F
0%
4mph
SW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
46°F
1 AM
46°F
0%
4mph
SW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
46°F
2 AM
47°F
0%
4mph
SW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
47°F
3 AM
47°F
0%
4mph
SW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
47°F
4 AM
47°F
0%
4mph
SW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
47°F
5 AM
47°F
0%
4mph
SW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
47°F
6 AM
47°F
0%
4mph
SW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
47°F
7 AM
48°F
0%
4mph
SSW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
47°F
7:19 AM
8 AM
48°F
0%
4mph
SSW
Foggy
Humidity
99%
Feels like
47°F
Dew Point
48°F
9 AM
49°F
0%
4mph
SSW
Mostly Cloudy
Humidity
97%
Feels like
48°F
Dew Point
48°F
10 AM
50°F
0%
4mph
SSW
Partly Cloudy
Humidity
92%
Feels like
50°F
Dew Point
48°F
11 AM
51°F
0%
5mph
SW
Partly Cloudy
Humidity
89%
Feels like
51°F
Dew Point
48°F
12 PM
52°F
0%
5mph
SW
Mostly Cloudy
Humidity
85%
Feels like
52°F
Dew Point
47°F
1 PM
53°F
0%
5mph
SW
Mostly Cloudy
Humidity
83%
Feels like
53°F
Dew Point
47°F
2 PM
53°F
0%
5mph
SW
Partly Cloudy
Humidity
83%
Feels like
53°F
Dew Point
48°F
3 PM
52°F
0%
5mph
SW
Partly Cloudy
Humidity
86%
Feels like
52°F
Dew Point
48°F
4 PM
49°F
0%
5mph
SW
Partly Cloudy
Humidity
96%
Feels like
47°F
Dew Point
48°F
4:51 PM
5 PM
47°F
0%
5mph
SW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
47°F
6 PM
47°F
0%
5mph
SW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
47°F
7 PM
47°F
0%
5mph
SW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
47°F
8 PM
47°F
0%
5mph
SW
Foggy
Humidity
100%
Feels like
44°F
Dew Point
47°F
9 PM
47°F
0%
5mph
SW
Foggy
Humidity
100%
Feels like
44°F
Dew Point
47°F
10 PM
47°F
0%
6mph
SSW
Foggy
Humidity
100%
Feels like
44°F
Dew Point
47°F
11 PM
47°F
0%
6mph
SSW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
47°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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