Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather threatens mid-Atlantic into Monday night. | Click to see the impacts. Chevron right

St. Helena, CA

77°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Helena

California

77°
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
St. Helena, 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

7 PM

77°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™74°

WindWSW 8 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts12 mph

Humidity45%

Indoor Humidity45% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

73°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™71°

WindW 7 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts10 mph

Humidity50%

Indoor Humidity50% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

70°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 6 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity58%

Indoor Humidity58% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

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

WindW 6 mph

Air QualityExcellent

Wind Gusts6 mph

Humidity67%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

61°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity76%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for St. Helena

AccuWeather's hourly forecast for St. Helena provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 77° with a RealFeel® of 76°, mostly sunny 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

Wednesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Storms, flood threat persist across central US

6 hours ago

Weather Forecasts

Pattern change to bring cooler air, rain to Pacific Northwest

8 hours ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Storms delay entry for France vs. Iraq match in Philadelphia

6 hours ago

Weather News

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

9 hours ago

Multiple tornadoes filmed during severe weather outbreak

17 hours ago 0:45
More Stories

Featured Stories

Weather News

Deadly heat grips France, western Europe faces extreme heat wave

7 hours ago

Astronomy

Webb telescope captures ‘sparkling’ stars being born in new image

7 hours ago

Recreation

Black bear injures teen on Washington trail

4 days ago

Astronomy

Meteorological summer vs. astronomical summer explained

4 days ago

Health

Pickle is the pumpkin spice of summer

1 week ago
World North America United States California St. Helena

Weather Near St. Helena:

  • Oakland, 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

...

...

...