Hourly Weather Forecast - Altamont, CA

12 AM
51°F
60%
4mph
S
60% Chance of Light Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
1 AM
51°F
60%
4mph
S
60% Chance of Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
2 AM
51°F
60%
4mph
SSW
60% Chance of Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
3 AM
51°F
70%
5mph
SSW
70% Chance of Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
4 AM
51°F
70%
6mph
SSW
70% Chance of Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
5 AM
51°F
70%
7mph
SSW
70% Chance of Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
6 AM
52°F
70%
8mph
SSW
70% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
7 AM
52°F
60%
8mph
SSW
60% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
7:18 AM
8 AM
52°F
60%
8mph
SSW
60% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
9 AM
52°F
60%
8mph
SSW
60% Chance of Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
10 AM
52°F
60%
9mph
SSW
60% Chance of Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
11 AM
52°F
50%
9mph
SSW
50% Chance of Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
12 PM
52°F
60%
9mph
SSW
60% Chance of Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
1 PM
52°F
60%
8mph
SSW
60% Chance of Light Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
2 PM
51°F
70%
8mph
S
70% Chance of Light Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
3 PM
50°F
70%
8mph
S
70% Chance of Light Rain
Humidity
100%
Feels like
50°F
Dew Point
50°F
4 PM
50°F
70%
8mph
S
70% Chance of Light Rain
Humidity
100%
Feels like
47°F
Dew Point
50°F
4:51 PM
5 PM
50°F
60%
7mph
S
60% Chance of Light Rain
Humidity
100%
Feels like
47°F
Dew Point
50°F
6 PM
50°F
60%
7mph
S
60% Chance Rain Showers
Humidity
100%
Feels like
47°F
Dew Point
50°F
7 PM
50°F
60%
7mph
S
60% Chance Rain Showers
Humidity
100%
Feels like
50°F
Dew Point
50°F
8 PM
51°F
60%
6mph
SSW
60% Chance Rain Showers
Humidity
100%
Feels like
51°F
Dew Point
51°F
9 PM
51°F
70%
7mph
SSW
70% Chance of Light Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
10 PM
51°F
70%
7mph
SSW
70% Chance of Light Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
11 PM
52°F
70%
8mph
SSW
70% Chance of Light Rain
Humidity
99%
Feels like
52°F
Dew Point
51°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit 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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