Hourly Weather Forecast - Napa, CA

12 AM
44°F
10%
6mph
WNW
Foggy
Humidity
100%
Feels like
40°F
Dew Point
44°F
1 AM
44°F
10%
6mph
WNW
Foggy
Humidity
100%
Feels like
40°F
Dew Point
44°F
2 AM
43°F
10%
6mph
WNW
Foggy
Humidity
100%
Feels like
39°F
Dew Point
43°F
3 AM
43°F
10%
6mph
W
Foggy
Humidity
100%
Feels like
39°F
Dew Point
43°F
4 AM
43°F
20%
7mph
W
Foggy
Humidity
100%
Feels like
38°F
Dew Point
43°F
5 AM
43°F
20%
7mph
W
Foggy
Humidity
100%
Feels like
38°F
Dew Point
43°F
6 AM
43°F
20%
7mph
W
Foggy
Humidity
100%
Feels like
39°F
Dew Point
43°F
7 AM
44°F
20%
7mph
W
Foggy
Humidity
100%
Feels like
40°F
Dew Point
44°F
7:26 AM
8 AM
45°F
20%
7mph
WSW
Foggy
Humidity
100%
Feels like
41°F
Dew Point
45°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain in California

Moderate to heavy rainfall persists until nighttime in much of California.

Thursday's Weather Outlook

New Year's Day and Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide