Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
August tied for the hottest month on record. See how hot it was. Chevron right
Peak hurricane season is here, but will a hurricane form this year in the Atlantic? Click for details. Chevron right

Clearlake Riviera, CA

80°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Clearlake Riviera

California

80°
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
Clearlake Riviera, 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
Saturday, September 12

Day

9/12
82°Hi
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
RealFeel Shade™ 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Nice with plenty of sunshine
alerts

Red Flag Warning

10:00 AM Saturday - 2:00 AM Sunday

Max UV Index6.0 (High)

AccuLumen Brightness Index™9 (Very Bright)

WindW 9 mph

Wind Gusts28 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover10%

Morning

Afternoon

Night

9/12
49°Lo
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Clear
alerts

Red Flag Warning

10:00 AM Saturday - 2:00 AM Sunday

WindWNW 7 mph

Wind Gusts24 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover3%

Evening

Overnight

Sun & Moon

12 hrs 35 mins
Rise 6:49 AM
Set 7:24 PM
Waxing Crescent
Rise 8:33 AM
Set 8:01 PM

Temperature History

9/12
High
Low
Forecast
82°
49°
Average
87°
50°
Last Year
83°
58°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Will 2026 go down with no Atlantic hurricanes?

10 hours ago

Climate

August 2026 ties record for hottest month ever on Earth

1 day ago

Hurricane

No Atlantic hurricanes by Sept. 12 would break a 60-year record

1 day ago

Recreation

Mystery of Canada’s disappearing island is mostly solved

14 hours ago

Weather Forecasts

California heat to ease as snow returns to Northwest mountains

8 hours ago

 More Stories

Featured Stories

Weather News

Powerful waves erase Southern California beaches, threaten homes

7 hours ago

Weather News

What is a seismic doublet?

1 day ago

Hurricane

Hurricane Lowell swipes Hawaii, knocking out power to Kaua'i

2 days ago

Severe Weather

1st lightning from Florida storm kills man before thunder could warn h...

12 hours ago

Recreation

Alligator attacks child swimming in restricted Florida waters

2 days ago
World North America United States California Clearlake Riviera

Weather Near Clearlake Riviera:

  • 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

...

...

...