Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Summerlike heat, humidity is about to arrive in the East. See how hot it will get. Chevron right
Multiday severe weather risk in the central U.S. to ramp up this weekend. Get the forecast. Chevron right

Cupertino, CA

53°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cupertino

California

53°
No results found.
Try searching for a city, zip code or point of interest.
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
Friday, May 15

Current Weather

1:37 AM

53°F
Mostly clear
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel®
52°
Wind
WNW 2 mph
Wind Gusts
2 mph
Humidity
86%
Indoor Humidity
51% (Ideal Humidity)
Dew Point
49° F
Pressure
↔ 30.00 in
Cloud Cover
20%
Visibility
8 mi
Cloud Ceiling
40000 ft

Day

5/15
77°Hi
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Pleasant with plenty of sun; breezy this afternoon

Max UV Index10.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindNW 12 mph

Wind Gusts25 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover9%

Morning

Afternoon

Night

5/15
52°Lo
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Breezy this evening; otherwise, clear

WindWNW 10 mph

Wind Gusts18 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover9%

Evening

Overnight

Sun & Moon

14 hrs 11 mins
Rise 5:59 AM
Set 8:10 PM
Waning Crescent
Rise 4:48 AM
Set 7:23 PM

Temperature History

5/15
High
Low
Forecast
77°
52°
Average
73°
50°
Last Year
73°
50°

Current Weather Conditions in Cupertino

Cupertino, California is currently Mostly clear with a temperature of 53°. The current RealFeel® Temperature is 52° (Chilly) based on observed conditions including 86% humidity, 20% cloud cover, a UV index of 0, and winds of 2 mph. In shade, the RealFeel Shade™ is 52°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Cupertino, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

El Nino is almost here, and it may rival the strongest in history

12 hours ago

Severe Weather

Multi-day severe risk in the central US; biggest threat Sunday, Monday

23 minutes ago

Weather Forecasts

Summerlike heat, humidity to send RealFeel temps near 100 F in East

33 minutes ago

Recreation

Pregnant hiker, dogs rescued from heat on Florida trail

1 day ago

Weather Forecasts

Storm to bring needed rain to New England, help drought improve

58 minutes ago

More Stories

Featured Stories

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

13 hours ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

13 hours ago

Weather News

Here's how New York residents can get free A/C this summer

1 day ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

2 days ago

Recreation

Everest’s brief spring weather window brings a rush to the summit

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

...

...

...