Hourly Weather Forecast - Arnold, CA

12 PM
48°F
10%
3mph
WSW
Foggy
Humidity
100%
Feels like
48°F
Dew Point
48°F
1 PM
48°F
10%
3mph
W
Foggy
Humidity
100%
Feels like
47°F
Dew Point
48°F
2 PM
48°F
0%
3mph
W
Foggy
Humidity
100%
Feels like
48°F
Dew Point
48°F
3 PM
48°F
0%
3mph
W
Foggy
Humidity
100%
Feels like
48°F
Dew Point
48°F
4 PM
48°F
0%
2mph
W
Mostly Sunny
Humidity
82%
Feels like
48°F
Dew Point
43°F
4:42 PM
5 PM
48°F
0%
1mph
WNW
Mostly Clear
Humidity
72%
Feels like
48°F
Dew Point
40°F
6 PM
48°F
0%
2mph
ENE
Mostly Clear
Humidity
73%
Feels like
48°F
Dew Point
40°F
7 PM
48°F
0%
4mph
ENE
Mostly Clear
Humidity
65%
Feels like
47°F
Dew Point
37°F
8 PM
49°F
0%
4mph
ENE
Mostly Clear
Humidity
55%
Feels like
47°F
Dew Point
33°F
9 PM
49°F
0%
5mph
ENE
Mostly Clear
Humidity
46%
Feels like
48°F
Dew Point
29°F
10 PM
50°F
0%
5mph
ENE
Mostly Clear
Humidity
38%
Feels like
50°F
Dew Point
26°F
11 PM
51°F
0%
5mph
ENE
Mostly Clear
Humidity
34%
Feels like
51°F
Dew Point
23°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday'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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