Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Heat dome to bring 90 to 100-degree temps. See when the heat will peak. 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.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Napa, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 AM

56°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindW 14 mph

Air QualityExcellent

Wind Gusts15 mph

Humidity81%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 AM

54°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 14 mph

Air QualityExcellent

Wind Gusts15 mph

Humidity85%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

53°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNW 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity86%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

52°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNW 6 mph

Air QualityExcellent

Wind Gusts6 mph

Humidity86%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

52°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindN 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity86%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

51°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindN 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity87%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

50°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™50°

WindN 5 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts5 mph

Humidity91%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

55°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™54°

WindN 5 mph

Air QualityExcellent

Max UV Index1.2 (Low)

Wind Gusts5 mph

Humidity74%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

60°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™59°

WindNNW 6 mph

Air QualityExcellent

Max UV Index2.1 (Low)

Wind Gusts6 mph

Humidity60%

Indoor Humidity46% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

66°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™63°

WindN 6 mph

Air QualityExcellent

Max UV Index3.4 (Moderate)

Wind Gusts7 mph

Humidity49%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

70°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™68°

WindN 7 mph

Air QualityExcellent

Max UV Index4.9 (Moderate)

Wind Gusts8 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

74°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™71°

WindN 8 mph

Air QualityFair

Max UV Index7.6 (Very High)

Wind Gusts8 mph

Humidity36%

Indoor Humidity36% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

77°
RealFeel® 84°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™74°

WindN 8 mph

Air QualityFair

Max UV Index10.1 (Very High)

Wind Gusts9 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

80°
RealFeel® 87°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™77°

WindNNW 8 mph

Air QualityFair

Max UV Index11.0 (Extreme)

Wind Gusts10 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

83°
RealFeel® 86°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™79°

Heat Index80°

WindNNW 14 mph

Air QualityFair

Max UV Index10.1 (Very High)

Wind Gusts22 mph

Humidity24%

Indoor Humidity24% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility5 mi

Cloud Ceiling30000 ft

3 PM

84°
RealFeel® 86°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™80°

Heat Index81°

WindWNW 15 mph

Air QualityFair

Max UV Index7.6 (Very High)

Wind Gusts28 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°
RealFeel® 86°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™82°

Heat Index83°

WindW 17 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts31 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

84°
RealFeel® 83°
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
rain drop 0%
Chevron down
Sunny

RealFeel Shade™80°

Heat Index81°

WindW 17 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts32 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

82°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™78°

Heat Index80°

WindWSW 16 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts28 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

79°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™76°

WindWSW 16 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts22 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

76°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™72°

WindWSW 16 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts20 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

72°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWSW 15 mph

Air QualityFair

Wind Gusts18 mph

Humidity49%

Indoor Humidity49% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

67°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWSW 15 mph

Air QualityFair

Wind Gusts16 mph

Humidity60%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

64°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWSW 14 mph

Air QualityFair

Wind Gusts15 mph

Humidity67%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Napa

AccuWeather's hourly forecast for Napa provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 56° with a RealFeel® of 49°, clear with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Monday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Heat dome to bring 90-100 F temperatures to 200 million in US

12 hours ago

Hurricane

Massive Saharan dust clouds to approach Florida, Gulf this weekend

20 hours ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Thunderstorms could threaten Philadelphia and New Jersey matches Saturday

14 hours ago

Hurricane

Building heat dome could spark tropical development near southern U.S.

19 hours ago

Weather Forecasts

'Extreme' weather could fuel erratic wildfires in western US

11 hours ago

 More Stories

Featured Stories

Weather News

Venezuela death toll rises after back-to-back earthquakes

15 hours ago

Astronomy

Skyscraper-size asteroid to safely pass Earth this Saturday

2 days ago

Travel

Small aircraft crashes into Beijing’s tallest skyscraper

1 day ago

Recreation

Snake hunters compete for $25,000 wrangling pythons in Florida

2 days ago

Weather News

Utah wildfires force evacuations as crews work in hot, windy weather

1 day 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 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 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
© 2026 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 | Data Sources

...

...

...