Hourly Weather Forecast - Rio Vista, CA

10 AM
48°F
10%
10mph
SSE
Foggy
Humidity
100%
Feels like
44°F
Dew Point
48°F
11 AM
51°F
10%
7mph
S
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
12 PM
53°F
0%
6mph
SSW
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
1 PM
55°F
0%
6mph
SW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
2 PM
56°F
0%
7mph
WSW
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
3 PM
55°F
0%
7mph
WSW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
4 PM
53°F
0%
6mph
W
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
4:48 PM
5 PM
52°F
0%
6mph
W
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
6 PM
51°F
0%
5mph
W
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
7 PM
51°F
0%
5mph
WSW
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
8 PM
51°F
0%
5mph
W
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
9 PM
51°F
0%
5mph
W
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
10 PM
51°F
0%
5mph
W
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
11 PM
51°F
0%
5mph
WNW
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°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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