Hourly Weather Forecast - Rio Vista, CA

7 AM
40°F
0%
3mph
N
Foggy
Humidity
99%
Feels like
40°F
Dew Point
40°F
7:15 AM
8 AM
40°F
10%
3mph
N
Mostly Cloudy
Humidity
98%
Feels like
39°F
Dew Point
40°F
9 AM
41°F
10%
4mph
NE
Mostly Cloudy
Humidity
98%
Feels like
38°F
Dew Point
40°F
10 AM
41°F
10%
4mph
NE
Mostly Cloudy
Humidity
97%
Feels like
38°F
Dew Point
40°F
11 AM
42°F
0%
4mph
NE
Mostly Cloudy
Humidity
97%
Feels like
39°F
Dew Point
41°F
12 PM
42°F
0%
4mph
NE
Mostly Cloudy
Humidity
96%
Feels like
40°F
Dew Point
41°F
1 PM
43°F
0%
4mph
NE
Mostly Cloudy
Humidity
95%
Feels like
41°F
Dew Point
42°F
2 PM
43°F
0%
3mph
NE
Mostly Cloudy
Humidity
95%
Feels like
42°F
Dew Point
42°F
3 PM
44°F
0%
3mph
ENE
Mostly Cloudy
Humidity
95%
Feels like
44°F
Dew Point
42°F
4 PM
44°F
0%
2mph
ENE
Mostly Cloudy
Humidity
95%
Feels like
44°F
Dew Point
42°F
4:47 PM
5 PM
44°F
0%
2mph
E
Mostly Cloudy
Humidity
95%
Feels like
44°F
Dew Point
42°F
6 PM
43°F
0%
1mph
SE
Mostly Cloudy
Humidity
95%
Feels like
43°F
Dew Point
42°F
7 PM
43°F
0%
1mph
SSE
Mostly Cloudy
Humidity
94%
Feels like
43°F
Dew Point
42°F
8 PM
43°F
0%
1mph
S
Mostly Cloudy
Humidity
95%
Feels like
43°F
Dew Point
42°F
9 PM
43°F
0%
1mph
SSW
Mostly Cloudy
Humidity
95%
Feels like
43°F
Dew Point
41°F
10 PM
42°F
0%
1mph
WSW
Mostly Cloudy
Humidity
96%
Feels like
42°F
Dew Point
41°F
11 PM
42°F
0%
1mph
W
Cloudy
Humidity
97%
Feels like
42°F
Dew Point
41°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday 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 strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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