Hourly Weather Forecast - Clayton, CA

12 AM
42°F
0%
2mph
SW
Partly Cloudy
Humidity
94%
Feels like
42°F
Dew Point
40°F
1 AM
42°F
0%
2mph
SW
Partly Cloudy
Humidity
96%
Feels like
42°F
Dew Point
40°F
2 AM
42°F
10%
2mph
SW
Partly Cloudy
Humidity
97%
Feels like
42°F
Dew Point
41°F
3 AM
42°F
10%
2mph
SW
Foggy
Humidity
99%
Feels like
42°F
Dew Point
42°F
4 AM
43°F
10%
2mph
SW
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
5 AM
43°F
10%
2mph
SW
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
6 AM
44°F
10%
2mph
SW
Foggy
Humidity
100%
Feels like
44°F
Dew Point
44°F
7 AM
45°F
10%
2mph
SW
Foggy
Humidity
100%
Feels like
45°F
Dew Point
45°F
7:16 AM
8 AM
46°F
10%
2mph
SW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
46°F
9 AM
48°F
10%
2mph
SW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
48°F
10 AM
50°F
10%
2mph
SW
Foggy
Humidity
100%
Feels like
50°F
Dew Point
50°F
11 AM
52°F
10%
2mph
WSW
Cloudy
Humidity
98%
Feels like
52°F
Dew Point
52°F
12 PM
54°F
10%
2mph
W
Cloudy
Humidity
95%
Feels like
54°F
Dew Point
53°F
1 PM
55°F
10%
3mph
WNW
Cloudy
Humidity
92%
Feels like
55°F
Dew Point
53°F
2 PM
54°F
10%
3mph
W
Cloudy
Humidity
92%
Feels like
54°F
Dew Point
52°F
3 PM
53°F
10%
2mph
W
Mostly Cloudy
Humidity
94%
Feels like
53°F
Dew Point
51°F
4 PM
51°F
10%
2mph
WSW
Mostly Cloudy
Humidity
97%
Feels like
51°F
Dew Point
50°F
4:49 PM
5 PM
50°F
10%
3mph
WSW
Mostly Cloudy
Humidity
97%
Feels like
50°F
Dew Point
49°F
6 PM
50°F
0%
3mph
SW
Cloudy
Humidity
97%
Feels like
49°F
Dew Point
49°F
7 PM
50°F
0%
4mph
SW
Cloudy
Humidity
97%
Feels like
49°F
Dew Point
49°F
8 PM
49°F
0%
4mph
SW
Foggy
Humidity
99%
Feels like
48°F
Dew Point
49°F
9 PM
49°F
0%
5mph
SW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
49°F
10 PM
49°F
0%
5mph
SW
Foggy
Humidity
100%
Feels like
47°F
Dew Point
49°F
11 PM
49°F
0%
6mph
SW
Foggy
Humidity
100%
Feels like
47°F
Dew Point
49°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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