Hourly Weather Forecast - Arnold, CA

12 AM
51°F
60%
5mph
SE
60% Chance of Rain
Humidity
60%
Feels like
51°F
Dew Point
37°F
1 AM
51°F
60%
5mph
SE
60% Chance of Rain
Humidity
62%
Feels like
51°F
Dew Point
38°F
2 AM
51°F
60%
5mph
SE
60% Chance of Light Rain
Humidity
61%
Feels like
51°F
Dew Point
39°F
3 AM
52°F
60%
5mph
SE
60% Chance of Light Rain
Humidity
63%
Feels like
52°F
Dew Point
39°F
4 AM
52°F
60%
5mph
SE
60% Chance of Rain
Humidity
69%
Feels like
52°F
Dew Point
42°F
5 AM
52°F
60%
5mph
SE
60% Chance of Rain
Humidity
70%
Feels like
52°F
Dew Point
42°F
6 AM
51°F
60%
6mph
SSE
60% Chance of Rain
Humidity
69%
Feels like
51°F
Dew Point
42°F
7 AM
51°F
60%
6mph
SSE
60% Chance of Rain
Humidity
68%
Feels like
51°F
Dew Point
41°F
7:15 AM
8 AM
51°F
60%
7mph
SSE
60% Chance of Rain
Humidity
64%
Feels like
51°F
Dew Point
39°F
9 AM
51°F
60%
8mph
SSE
60% Chance of Rain
Humidity
58%
Feels like
51°F
Dew Point
36°F
10 AM
51°F
60%
8mph
SSE
60% Chance of Rain
Humidity
59%
Feels like
51°F
Dew Point
37°F
11 AM
51°F
60%
9mph
S
60% Chance of Rain
Humidity
63%
Feels like
51°F
Dew Point
38°F
12 PM
50°F
60%
9mph
S
60% Chance of Rain
Humidity
64%
Feels like
50°F
Dew Point
39°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

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

Thursday's Weather Outlook

Thursday'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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