Hourly Weather Forecast - Napa, CA

12 AM
46°F
60%
13mph
S
60% Chance of Rain
Humidity
100%
Feels like
39°F
Dew Point
46°F
1 AM
46°F
60%
13mph
S
60% Chance of Rain
Humidity
100%
Feels like
40°F
Dew Point
46°F
2 AM
46°F
70%
14mph
SSW
70% Chance of Rain
Humidity
100%
Feels like
39°F
Dew Point
46°F
3 AM
46°F
70%
14mph
SSW
70% Chance of Rain
Humidity
100%
Feels like
39°F
Dew Point
46°F
4 AM
46°F
70%
14mph
SW
70% Chance of Rain
Humidity
100%
Feels like
39°F
Dew Point
46°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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