Hourly Weather Forecast - Rio Vista, CA

12 AM
41°F
0%
2mph
SSE
Mostly Cloudy
Humidity
96%
Feels like
41°F
Dew Point
40°F
1 AM
41°F
0%
2mph
SSE
Mostly Cloudy
Humidity
95%
Feels like
41°F
Dew Point
40°F
2 AM
41°F
0%
1mph
SE
Mostly Cloudy
Humidity
95%
Feels like
41°F
Dew Point
40°F
3 AM
42°F
0%
1mph
NNW
Mostly Cloudy
Humidity
93%
Feels like
42°F
Dew Point
40°F
4 AM
42°F
0%
2mph
NNW
Mostly Cloudy
Humidity
90%
Feels like
42°F
Dew Point
40°F
5 AM
43°F
0%
2mph
N
Cloudy
Humidity
88%
Feels like
43°F
Dew Point
40°F
6 AM
43°F
0%
2mph
NNE
Cloudy
Humidity
88%
Feels like
43°F
Dew Point
40°F
7 AM
43°F
0%
2mph
NE
Cloudy
Humidity
89%
Feels like
43°F
Dew Point
40°F
7:16 AM
8 AM
43°F
0%
3mph
NE
Cloudy
Humidity
90%
Feels like
43°F
Dew Point
40°F
9 AM
43°F
0%
3mph
ENE
Cloudy
Humidity
90%
Feels like
43°F
Dew Point
40°F
10 AM
44°F
0%
3mph
ENE
Cloudy
Humidity
90%
Feels like
44°F
Dew Point
41°F
11 AM
44°F
0%
3mph
ENE
Cloudy
Humidity
89%
Feels like
44°F
Dew Point
41°F
12 PM
45°F
0%
3mph
ENE
Cloudy
Humidity
88%
Feels like
44°F
Dew Point
42°F
1 PM
45°F
0%
3mph
NE
Mostly Cloudy
Humidity
89%
Feels like
45°F
Dew Point
42°F
2 PM
45°F
0%
2mph
ENE
Mostly Cloudy
Humidity
90%
Feels like
45°F
Dew Point
42°F
3 PM
45°F
0%
2mph
ESE
Mostly Cloudy
Humidity
91%
Feels like
45°F
Dew Point
43°F
4 PM
45°F
0%
2mph
SE
Partly Cloudy
Humidity
91%
Feels like
45°F
Dew Point
43°F
4:47 PM
5 PM
45°F
0%
2mph
SSE
Partly Cloudy
Humidity
92%
Feels like
45°F
Dew Point
43°F
6 PM
45°F
0%
2mph
S
Partly Cloudy
Humidity
92%
Feels like
45°F
Dew Point
43°F
7 PM
45°F
0%
2mph
SSW
Partly Cloudy
Humidity
93%
Feels like
45°F
Dew Point
43°F
8 PM
45°F
0%
2mph
SW
Partly Cloudy
Humidity
93%
Feels like
45°F
Dew Point
43°F
9 PM
45°F
0%
2mph
SSW
Cloudy
Humidity
94%
Feels like
45°F
Dew Point
43°F
10 PM
45°F
0%
2mph
S
Cloudy
Humidity
94%
Feels like
45°F
Dew Point
43°F
11 PM
45°F
0%
2mph
S
Cloudy
Humidity
93%
Feels like
45°F
Dew Point
43°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

Monday's Weather Outlook

Monday'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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