Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
North Carolina Outer Banks bracing for flooding, wind as Hurricane Erin passes. Chevron right
Hurricane Erin to unleash life-threatening surf along U.S. coast this week. Click for details Chevron right

St. Helena, CA

76°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Helena

California

76°
No results found.
Try searching for a city, zip code or point of interest.
settings
St. Helena, 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

Today's Weather

Mon, Aug 18

Plenty of sun Hi: 87°

Tonight: Clear this evening followed by areas of low clouds Lo: 51°

Current Weather

11:36 AM

76°F
RealFeel® 87°
Sunny More Details
RealFeel Shade™ 75°
Wind WNW 3 mph
Wind Gusts 7 mph
Air Quality Excellent

Looking Ahead

A heat wave from Wednesday into Friday

St. Helena Weather Radar

St. Helena Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

12 PM 78°
rain drop 0%
1 PM 83°
rain drop 0%
2 PM 85°
rain drop 0%
3 PM 87°
rain drop 0%
4 PM 86°
rain drop 0%
5 PM 84°
rain drop 0%
6 PM 83°
rain drop 0%
7 PM 78°
rain drop 0%
8 PM 73°
rain drop 0%
9 PM 69°
rain drop 0%
10 PM 64°
rain drop 0%
11 PM 60°
rain drop 0%

10-Day Weather Forecast

Today

8/18

87° 51°

Plenty of sun

Night: Areas of low clouds
1%

Tue

8/19

91° 53°

Sunshine

Clear
0%

Wed

8/20

101° 60°

Hot with sizzling sunshine

Clear
0%

Thu

8/21

103° 63°

Record-breaking temperatures

Mainly clear
0%

Fri

8/22

101° 61°

Hot

Clear
0%

Sat

8/23

89° 56°

Sunny and not as hot

Partly cloudy
0%

Sun

8/24

90° 56°

Mostly sunny

Clear
0%

Mon

8/25

89° 55°

Plenty of sunshine

Mainly clear
0%

Tue

8/26

88° 56°

Sunshine

Mainly clear
0%

Wed

8/27

87° 55°

Sun and some clouds

Partly cloudy
0%

Sun & Moon

13 hrs 33 mins
Rise 6:27 AM
Set 8:00 PM
Waning Crescent
Rise 1:12 AM
Set 5:14 PM

Air Quality

See More
Air Quality Excellent

The air quality is ideal for most individuals; enjoy your normal outdoor activities.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Low Data is not supported in this location

Top Stories

Hurricane

Erin to send 10- to 20-foot waves, coastal flooding toward US beaches

15 minutes ago

Hurricane

Evacuations, state of emergency in North Carolina as Erin looms

39 minutes ago

Health

NYC Legionnaires’ disease cluster grows to more than 100 cases, includ...

9 hours ago

Weather Forecasts

Cool sweep to erase heat, high humidity in Northeast

1 hour ago

Severe Weather

Flooding, severe weather to linger in north-central US

8 hours ago

 More Stories

Featured Stories

Weather News

Heavy rain in Pakistan, India-administered Kashmir and Nepal kills 400

3 hours ago

Weather News

Pompeii’s remains reveal a hidden postscript

3 days ago

Astronomy

Goodbye long days: Where sunset is now happening before 8 pm

3 days ago

Weather News

US teen pilot accused of unauthorized Antarctic landing reaches deal

4 days ago

Weather News

New York skyscraper had 1-in-16 chance of collapse. Only one man knew

3 days 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 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

...

...

...