Cupertino, CA

85° F
Location Chevron down
Location News Videos
Use Current Location
Recent

Cupertino

California

85°
No results found.
Try searching for a city, zip code or point of interest.
settings
Cupertino, 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

Video

Podcasts

Winter Center

Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

12:45 PM

85°F
RealFeel® 95°
RealFeel Shade™ 85°
Air Quality Fair
Wind NNW 3 mph
Wind Gusts 5 mph
Sunny More Details

Current Air Quality

Today

8/18

25
AQI

Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Based on Current Pollutants

More Details

Learn more at Plumb Labs Logo

Current Air Quality

Our current air quality index (AQI) provides information on the quality of air that you are breathing and its impact on your health. There are at least six different pollutants that we track that impact the cleanliness of air and your health.

Health & Activities
See all
Tree Pollen
Low
The risk of tree pollen symptoms is low.
Ragweed Pollen
Moderate
The risk for ragweed pollen symptoms is moderate. Avoid walking in areas with tall grass or plants.
Mold
Low
The risk of mold allergy symptoms is low.
Grass Pollen
Moderate
The risk of grass pollen symptoms is moderate. Be sure to keep your windows and doors closed.
Dust & Dander
Moderate
The risk of dust and dander allergy symptoms is moderate. Closing your windows on windy days can help prevent outside dust or dander from getting into your home.
Arthritis
Low
The risk of experiencing weather-related arthritis pain is low.
Sinus Pressure
Moderate
The risk of weather-related sinus pressure is moderate. Make sure you stay hydrated.
Common Cold
Low
The risk of catching a cold is low.
Flu
Low
The risk of catching the flu is low.
Migraine
Low
The risk of suffering from a weather-related migraine is low.
Asthma
Moderate
The risk of asthma symptoms is moderate.
Fishing
Great
Fishing conditions are great. Find an area with less boat or human activity to avoid areas where fish are hiding.
Running
Great
Conditions for running are great. Be sure to warm up and cool down adequately.
Golf
Great
Conditions for golfing are great. Stay hydrated when spending time in the sun.
Biking & Cycling
Great
Conditions for cycling are great. Be sure you have the correct gear to keep your core temperature warm during winter months and cool during hot weather.
Beach & Pool
Good
Conditions for a day at the beach or pool are good. Be sure to wear sunscreen and UV-protective clothing when spending time outdoors.
Stargazing
Great
Conditions for stargazing are great. Invest in a red flashlight. It can help prevent additional light pollution.
Hiking
Great
Conditions for hiking are great. Wear sunscreen and UV-protective clothing.
Lawn Mowing
Great
Conditions for lawn mowing are great. Ensure you are servicing your mower frequently to keep the blades sharp.
Composting
Good
Composting conditions are good. Make sure you frequently add water to your compost to keep it moist.
Outdoor Entertaining
Great
Conditions for outdoor entertaining will be great. Pay attention to the mosquito or pest forecast and prepare deterrents.
Air Travel
Ideal
Conditions for flying are ideal. Have a safe trip.
Driving
Great
Conditions for driving are great. Remain prepared for changing weather by tracking ongoing forecasts.
Mosquitos
Low
The risk for mosquito activity are low.
Indoor Pests
High
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects near your home.
Outdoor Pests
Moderate
The risk for pest activity is moderate. Do not leave garbage or food open and unattended.
See all

TODAY’S WEATHER FORECAST

8/18
85°Hi
RealFeel® 95°
Decreasing clouds

TONIGHT’S WEATHER FORECAST

8/18
58°Lo
RealFeel® 58°
Mainly clear

TOMORROW’S WEATHER FORECAST

8/19
83°/ 58°
RealFeel® 86°
Mostly sunny

Cupertino Weather Radar

See Interactive Map
Cupertino Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
See Interactive Map

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Podcasts

Winter Center

Top Stories

Hurricane

Andrew, worst hurricane in Florida history, almost had a different nam...

5 hours ago

Hurricane

Chances remain for tropical development in Gulf

15 minutes ago

Severe Weather

‘Extremely violent’ storms turn deadly as they tear through Europe

4 minutes ago

Weather Forecasts

Texas, Oklahoma could go from drought to deluge in a week’s time

3 hours ago

Climate

More human remains discovered in Lake Mead

1 day ago

 More Stories

Featured Topic

Local Arthritis Forecast

Featured Stories

Incredible desert oasis wows residents and visitors alike How a fateful 33 hours marked a critical turning point for schoolkids Saturn opposition: Why August is perfect for spotting the ringed plane...
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 Podcast RealFeel® and RealFeel Shade™
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Shop AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Weather Blogs Winter Weather
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs Podcast RealFeel® and RealFeel Shade™
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Shop AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Weather Blogs Winter Weather
© 2021 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | TAG Disclosure | Do Not Sell My Data checkmark Confirmed Not Selling Your Data

We have updated our Privacy Policy and Cookie Policy.

I Understand

Get AccuWeather alerts as they happen with our browser notifications.

Notifications Enabled

Thanks! We’ll keep you informed.

FEEDBACK