Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Stormy stretch ahead with severe weather, flooding downpours. Click for the forecast. Chevron right
Extreme fire weather, drought and wind fueled explosive fires in Oregon. Click for the latest. Chevron right

Cupertino, CA

73°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cupertino

California

73°
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
Cupertino, 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
Heat Advisory

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

August 8 - August 22

Sat 8/8

86° /61°
0%
Areas of low clouds early; otherwise, mostly sunny and warm
alerts

Heat Advisory

10:00 AM Saturday - 10:00 PM Sunday

RealFeel®90°

RealFeel Shade™83°

Max UV Index9.0 (Very High)

WindNW 7 mph

Sun 8/9

90° /59°
0%
Sunny and very warm
alerts

Heat Advisory

10:00 AM Saturday - 10:00 PM Sunday

RealFeel®95°

RealFeel Shade™88°

Max UV Index10.0 (Very High)

WindNW 7 mph

Mon 8/10

86° /58°
0%
Some low clouds early; otherwise, mostly sunny

RealFeel®90°

RealFeel Shade™83°

Max UV Index10.0 (Very High)

WindWSW 7 mph

Tue 8/11

85° /59°
0%
Areas of low clouds early; otherwise, mostly sunny

RealFeel®92°

RealFeel Shade™83°

Max UV Index9.0 (Very High)

WindN 4 mph

Wed 8/12

82° /61°
1%
Areas of low clouds early; otherwise, mostly sunny

RealFeel®94°

RealFeel Shade™81°

Max UV Index8.0 (Very High)

WindS 2 mph

Thu 8/13

79° /62°
1%
Some low clouds early, then mostly sunny and pleasant

RealFeel®91°

RealFeel Shade™78°

Max UV Index9.0 (Very High)

WindSSW 4 mph

Fri 8/14

81° /61°
4%
Mostly sunny

RealFeel®89°

RealFeel Shade™80°

Max UV Index9.0 (Very High)

WindN 2 mph

Sat 8/15

80° /62°
1%
Sunny

RealFeel®86°

RealFeel Shade™79°

Max UV Index9.0 (Very High)

WindN 2 mph

Sun 8/16

81° /60°
0%
Sunny

RealFeel®89°

RealFeel Shade™78°

Max UV Index9.0 (Very High)

WindN 4 mph

Mon 8/17

81° /61°
0%
Partly sunny

RealFeel®88°

RealFeel Shade™79°

Max UV Index9.0 (Very High)

WindNNW 4 mph

Tue 8/18

79° /62°
0%
Partly sunny

RealFeel®85°

RealFeel Shade™76°

Max UV Index9.0 (Very High)

WindWNW 6 mph

Wed 8/19

82° /60°
0%
Mostly cloudy

RealFeel®83°

RealFeel Shade™79°

Max UV Index7.0 (High)

WindWNW 7 mph

Thu 8/20

80° /61°
0%
Sunshine and a few clouds

RealFeel®86°

RealFeel Shade™78°

Max UV Index9.0 (Very High)

WindW 5 mph

Fri 8/21

80° /60°
25%
A blend of sun and clouds

RealFeel®81°

RealFeel Shade™79°

Max UV Index3.0 (Moderate)

WindWNW 4 mph

Sat 8/22

79° /58°
25%
Intervals of clouds and sunshine

RealFeel®80°

RealFeel Shade™78°

Max UV Index4.0 (Moderate)

WindWNW 4 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

High fire weather threatens Spokane area after devastating wildfires

1 day ago

Severe Weather

Storms to threaten Midwest, Appalachians with flash flooding

2 hours ago

Weather News

‘Leveled to the ground’: Spokane resident recounts wildfire destructio...

1 day ago

Weather Forecasts

Hazardous air quality, wildfire risk to persist across the Northwest

2 hours ago

Weather News

The most expensive insured weather threat isn’t hurricanes anymore

23 hours ago

 More Stories

Featured Stories

Weather News

Sesame Street takes on extreme weather with new special, family resour...

1 day ago

Astronomy

Perseid meteor shower peaks Wednesday night under ideal conditions

7 hours ago

Weather News

Southwest cities prepare for looming Colorado River cuts

3 days ago

Astronomy

NASA's Curiosity rover's wheels reveal the toll of 14 years on Mars

4 days ago

Recreation

This newly discovered spider looks like it's smiling

2 days ago
World North America United States California Cupertino

Weather Near Cupertino:

  • 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

...

...

...