Hourly Weather Forecast - Napa, CA

12 AM
51°F
100%
15mph
S
Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
1 AM
51°F
100%
15mph
S
Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
2 AM
51°F
90%
14mph
S
Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
3 AM
52°F
90%
13mph
S
Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
4 AM
52°F
80%
13mph
S
80% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
5 AM
52°F
80%
12mph
SSW
80% Chance of Rain
Humidity
99%
Feels like
52°F
Dew Point
52°F
6 AM
53°F
80%
12mph
SSW
80% Chance of Rain
Humidity
98%
Feels like
53°F
Dew Point
52°F
7 AM
53°F
80%
11mph
SSW
80% Chance of Rain
Humidity
97%
Feels like
53°F
Dew Point
52°F
7:22 AM
8 AM
53°F
80%
11mph
SSW
80% Chance of Rain
Humidity
98%
Feels like
53°F
Dew Point
52°F
9 AM
52°F
80%
12mph
S
80% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
10 AM
52°F
80%
12mph
S
80% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
11 AM
52°F
70%
13mph
S
70% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
12 PM
52°F
60%
13mph
SSW
60% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
1 PM
52°F
50%
13mph
SSW
50% Chance of Rain
Humidity
100%
Feels like
52°F
Dew Point
52°F
2 PM
51°F
50%
12mph
SSW
50% Chance of Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
3 PM
51°F
50%
12mph
SSW
50% Chance of Rain
Humidity
100%
Feels like
51°F
Dew Point
51°F
4 PM
49°F
50%
11mph
SSW
50% Chance of Rain
Humidity
100%
Feels like
44°F
Dew Point
49°F
4:52 PM
5 PM
48°F
50%
10mph
SSW
50% Chance of Rain
Humidity
100%
Feels like
44°F
Dew Point
48°F
6 PM
49°F
50%
9mph
S
50% Chance of Rain
Humidity
100%
Feels like
45°F
Dew Point
49°F
7 PM
49°F
50%
9mph
S
50% Chance of Rain
Humidity
100%
Feels like
45°F
Dew Point
49°F
8 PM
49°F
60%
9mph
S
60% Chance of Rain
Humidity
100%
Feels like
45°F
Dew Point
49°F
9 PM
49°F
60%
8mph
S
60% Chance of Rain
Humidity
100%
Feels like
45°F
Dew Point
49°F
10 PM
49°F
60%
8mph
S
60% Chance of Rain
Humidity
100%
Feels like
45°F
Dew Point
49°F
11 PM
49°F
50%
8mph
S
50% Chance of Rain
Humidity
100%
Feels like
45°F
Dew Point
49°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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