Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
As a new heat dome builds, western U.S. wildfires will increase. More information here. Chevron right
The risk of flash flooding has shifted to coastal areas of the southeastern U.S. Click for details. Chevron right

Napa, CA

58°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Napa

California

58°
No results found.
Try searching for a city, zip code or point of interest.
settings
Napa, CA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, August 4

Current Weather

2:42 AM

58°F
Clear
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
RealFeel®
58°
Wind
SW 4 mph
Wind Gusts
8 mph
Humidity
75%
Indoor Humidity
52% (Ideal Humidity)
Dew Point
50° F
Pressure
↔ 29.94 in
Cloud Cover
6%
Visibility
10 mi
Cloud Ceiling
40000 ft

Day

8/4
86°Hi
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel Shade™ 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Brilliant sunshine

Max UV Index10 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindWSW 9 mph

Wind Gusts30 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover9%

Morning

Afternoon

Night

8/4
51°Lo
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Mainly clear early, then areas of low clouds forming

WindWSW 6 mph

Wind Gusts18 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover43%

Evening

Overnight

Sun & Moon

14 hrs 02 mins
Rise 6:14 AM
Set 8:16 PM
Waxing Gibbous
Rise 5:16 PM
Set 2:11 AM

Temperature History

8/4
High
Low
Forecast
86°
51°
Average
83°
56°
Last Year
86°
56°
Record
106°
1998
46°
1949

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Northeast's weather fate this week depends on dry air wedge

14 minutes ago

Severe Weather

Multiday severe risk to set up across the Plains

38 minutes ago

Severe Weather

Torrential downpours to pose dangerous flash flood risk in Southeast

14 minutes ago

Astronomy

3 big astronomy events packed into 1 week in August sky

2 days ago

Weather Forecasts

Building western US heat dome may set records, cause fires to surge

14 minutes ago

 More Stories

Featured Stories

Weather News

Weather sparks firefly mania, but will it last?

2 days ago
Live Blog

Clearing the air: Heat index of 182 degrees in Iran likely false

LATEST ENTRY

Heat index challenges world record, but is it real?

2 days ago

Travel

US Navy F-35 crashes in California, pilot ejects safely

3 days ago

Severe Weather

How to tell how far away lightning is by counting

3 days ago

Travel

Flights at UK airports hit by major technical issue

3 days ago
World North America United States California Napa

Weather Near Napa:

  • Sacramento, CA
  • San Francisco, CA
  • San Jose, CA
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...