Hourly Weather Forecast - Grimes, CA

9 AM
40°F
0%
2mph
NW
Foggy
Humidity
100%
Feels like
40°F
Dew Point
40°F
10 AM
40°F
0%
2mph
NW
Foggy
Humidity
100%
Feels like
40°F
Dew Point
40°F
11 AM
41°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
41°F
Dew Point
41°F
12 PM
41°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
41°F
Dew Point
41°F
1 PM
42°F
0%
2mph
N
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
2 PM
42°F
0%
1mph
N
Foggy
Humidity
100%
Feels like
42°F
Dew Point
42°F
3 PM
43°F
0%
1mph
SSE
Foggy
Humidity
100%
Feels like
43°F
Dew Point
43°F
4 PM
44°F
0%
2mph
S
Partly Cloudy
Humidity
97%
Feels like
44°F
Dew Point
43°F
4:46 PM
5 PM
43°F
0%
1mph
S
Partly Cloudy
Humidity
98%
Feels like
43°F
Dew Point
43°F
6 PM
43°F
0%
1mph
SSE
Partly Cloudy
Humidity
97%
Feels like
43°F
Dew Point
42°F
7 PM
43°F
0%
1mph
SSE
Partly Cloudy
Humidity
98%
Feels like
43°F
Dew Point
42°F
8 PM
43°F
0%
1mph
SE
Partly Cloudy
Humidity
97%
Feels like
43°F
Dew Point
42°F
9 PM
44°F
0%
0mph
SE
Partly Cloudy
Humidity
95%
Feels like
44°F
Dew Point
42°F
10 PM
44°F
0%
1mph
SSE
Mostly Cloudy
Humidity
97%
Feels like
44°F
Dew Point
43°F
11 PM
44°F
10%
1mph
SE
Mostly Cloudy
Humidity
96%
Feels like
44°F
Dew Point
43°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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