Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Springlike warmth in East to be erased by upcoming cold wave. Get the forecast. Chevron right

St. Helena, CA

56°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Helena

California

56°
No results found.
Try searching for a city, zip code or point of interest.
Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.
Let's Go Chevron right
Have an account already? Login
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
Cold Weather Advisory

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

January 8 - February 6

Thu 1/8

58° /38°
1%
Mostly sunny
alerts

Cold Weather Advisory

1:00 AM Friday - 9:00 AM Friday

RealFeel®58°

RealFeel Shade™54°

Max UV Index2.0 (Low)

WindN 9 mph

Fri 1/9

61° /35°
0%
Partly to mostly sunny
alerts

Cold Weather Advisory

1:00 AM Friday - 9:00 AM Friday

RealFeel®63°

RealFeel Shade™60°

Max UV Index2.0 (Low)

WindNE 6 mph

Sat 1/10

62° /34°
1%
Times of clouds and sun

RealFeel®63°

RealFeel Shade™60°

Max UV Index2.0 (Low)

WindNE 6 mph

Sun 1/11

66° /32°
2%
Times of clouds and sun

RealFeel®67°

RealFeel Shade™67°

Max UV Index2.0 (Low)

WindNNE 2 mph

Mon 1/12

64° /38°
2%
Mostly sunny

RealFeel®70°

RealFeel Shade™66°

Max UV Index2.0 (Low)

WindN 1 mph

Tue 1/13

67° /42°
1%
Mostly sunny

RealFeel®70°

RealFeel Shade™65°

Max UV Index3.0 (Moderate)

WindENE 4 mph

Wed 1/14

70° /42°
1%
Nice with plenty of sunshine

RealFeel®73°

RealFeel Shade™69°

Max UV Index3.0 (Moderate)

WindN 2 mph

Thu 1/15

71° /43°
0%
Plenty of sunshine

RealFeel®73°

RealFeel Shade™70°

Max UV Index3.0 (Moderate)

WindNE 4 mph

Fri 1/16

72° /41°
0%
Plenty of sunshine

RealFeel®72°

RealFeel Shade™69°

Max UV Index3.0 (Moderate)

WindNE 6 mph

Sat 1/17

67° /40°
0%
Plenty of sun

RealFeel®70°

RealFeel Shade™67°

Max UV Index3.0 (Moderate)

WindENE 2 mph

Sun 1/18

67° /40°
0%
Plenty of sun

RealFeel®70°

RealFeel Shade™68°

Max UV Index3.0 (Moderate)

WindWNW 1 mph

Mon 1/19

64° /39°
0%
Plenty of sun

RealFeel®68°

RealFeel Shade™66°

Max UV Index3.0 (Moderate)

WindNE 2 mph

Tue 1/20

63° /41°
0%
Sunny

RealFeel®68°

RealFeel Shade™65°

Max UV Index3.0 (Moderate)

WindE 1 mph

Wed 1/21

59° /40°
20%
Partly sunny

RealFeel®64°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindNNE 1 mph

Thu 1/22

61° /42°
25%
After a cloudy start, sun returns

RealFeel®60°

RealFeel Shade™58°

Max UV Index2.0 (Low)

WindW 9 mph

Fri 1/23

55° /37°
5%
Brilliant sunshine

RealFeel®59°

RealFeel Shade™56°

Max UV Index3.0 (Moderate)

WindNW 5 mph

Sat 1/24

55° /37°
25%
Cloudy

RealFeel®57°

RealFeel Shade™57°

Max UV Index1.0 (Low)

WindWNW 4 mph

Sun 1/25

56° /43°
25%
Mostly cloudy

RealFeel®54°

RealFeel Shade™54°

Max UV Index1.0 (Low)

WindWSW 6 mph

Mon 1/26

57° /45°
55%
Cloudy with a shower in the area

RealFeel®57°

RealFeel Shade™57°

Max UV Index1.0 (Low)

WindWSW 5 mph

Tue 1/27

58° /44°
66%
Rain

RealFeel®52°

RealFeel Shade™52°

Max UV Index1.0 (Low)

WindSW 14 mph

Wed 1/28

57° /38°
10%
Mostly sunny

RealFeel®60°

RealFeel Shade™56°

Max UV Index3.0 (Moderate)

WindW 5 mph

Thu 1/29

55° /36°
25%
Sun giving way to increasing clouds

RealFeel®56°

RealFeel Shade™56°

Max UV Index2.0 (Low)

WindNNW 4 mph

Fri 1/30

54° /37°
25%
Some sun, then increasing clouds

RealFeel®56°

RealFeel Shade™56°

Max UV Index2.0 (Low)

WindNE 2 mph

Sat 1/31

55° /42°
56%
Cloudy with occasional rain

RealFeel®56°

RealFeel Shade™56°

Max UV Index1.0 (Low)

WindE 2 mph

Sun 2/1

56° /44°
25%
Cloudy

RealFeel®59°

RealFeel Shade™59°

Max UV Index1.0 (Low)

WindNNE 1 mph

Mon 2/2

60° /38°
25%
Mostly cloudy

RealFeel®62°

RealFeel Shade™62°

Max UV Index1.0 (Low)

WindW 1 mph

Tue 2/3

59° /45°
25%
Cloudy

RealFeel®60°

RealFeel Shade™60°

Max UV Index1.0 (Low)

WindW 2 mph

Wed 2/4

61° /43°
25%
Mostly cloudy

RealFeel®64°

RealFeel Shade™64°

Max UV Index1.0 (Low)

WindNW 1 mph

Thu 2/5

62° /42°
25%
Mostly cloudy

RealFeel®64°

RealFeel Shade™64°

Max UV Index1.0 (Low)

WindN 2 mph

Fri 2/6

64° /40°
25%
Rather cloudy

RealFeel®66°

RealFeel Shade™66°

Max UV Index1.0 (Low)

WindNNE 4 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Astronomy

NASA astronauts may come home early after medical issue on ISS

7 hours ago

Winter Weather

Juneau, Alaska, braces for more snow: 'There's nowhere to put it'

4 hours ago

Weather Forecasts

Springlike warmth in East to be replaced by cold air, snowstorm risk

2 hours ago

Weather News

Families face complex challenges 1 year after Eaton, Palisades fires

1 day ago

Weather Forecasts

Pineapple Express to drench Washington, British Columbia and Alaska

4 hours ago

More Stories

Featured Stories

Astronomy

Newly discovered asteroid spins at record-breaking speed

2 hours ago

Weather News

Europe hit by winter storm; flights, trains disrupted

7 hours ago

Astronomy

Meteor showers 2026: The best nights to see shooting stars

4 hours ago

Climate

Climate risk reshaping homeownership decisions, study finds

1 day ago

Astronomy

Hubble telescope spots ‘failed’ starless galaxy known as Cloud 9

2 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
© 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

...

...

...