Hourly Weather Forecast - Napa, CA

4 AM
40°F
0%
6mph
ENE
Foggy
Humidity
100%
Feels like
35°F
Dew Point
40°F
5 AM
40°F
0%
6mph
ENE
Foggy
Humidity
100%
Feels like
35°F
Dew Point
40°F
6 AM
40°F
0%
6mph
ENE
Foggy
Humidity
99%
Feels like
35°F
Dew Point
40°F
7 AM
40°F
0%
6mph
ENE
Foggy
Humidity
99%
Feels like
36°F
Dew Point
40°F
7:18 AM
8 AM
41°F
0%
6mph
E
Mostly Cloudy
Humidity
98%
Feels like
37°F
Dew Point
40°F
9 AM
42°F
0%
6mph
ESE
Partly Cloudy
Humidity
97%
Feels like
38°F
Dew Point
41°F
10 AM
44°F
0%
6mph
SE
Partly Cloudy
Humidity
95%
Feels like
40°F
Dew Point
42°F
11 AM
46°F
0%
6mph
SSE
Partly Cloudy
Humidity
91%
Feels like
43°F
Dew Point
43°F
12 PM
47°F
0%
6mph
S
Partly Cloudy
Humidity
88%
Feels like
45°F
Dew Point
44°F
1 PM
49°F
0%
6mph
S
Partly Cloudy
Humidity
86%
Feels like
46°F
Dew Point
45°F
2 PM
49°F
0%
6mph
SSE
Partly Cloudy
Humidity
85%
Feels like
46°F
Dew Point
45°F
3 PM
48°F
0%
6mph
SSE
Partly Cloudy
Humidity
85%
Feels like
45°F
Dew Point
44°F
4 PM
47°F
0%
6mph
SSE
Partly Cloudy
Humidity
86%
Feels like
44°F
Dew Point
43°F
4:49 PM
5 PM
46°F
0%
6mph
SSE
Partly Cloudy
Humidity
88%
Feels like
43°F
Dew Point
43°F
6 PM
46°F
0%
6mph
SSE
Partly Cloudy
Humidity
91%
Feels like
42°F
Dew Point
43°F
7 PM
45°F
0%
5mph
S
Partly Cloudy
Humidity
93%
Feels like
42°F
Dew Point
43°F
8 PM
44°F
0%
5mph
SW
Partly Cloudy
Humidity
95%
Feels like
41°F
Dew Point
43°F
9 PM
44°F
0%
5mph
SW
Cloudy
Humidity
97%
Feels like
41°F
Dew Point
43°F
10 PM
44°F
0%
5mph
SSE
Cloudy
Humidity
98%
Feels like
40°F
Dew Point
43°F
11 PM
44°F
0%
6mph
SE
Cloudy
Humidity
97%
Feels like
40°F
Dew Point
43°F

Wind chill temperatures Monday A.M.

Frigid Weather Sends Shivers Down to the Gulf

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

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

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

Cold Air Damming - Cause And Effects

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