Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Rounds of storms expected in East, Midwest and Rockies. See when storms will arrive. Chevron right

Thornton, CO

87°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Thornton

Colorado

87°
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
Thornton, CO 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
Wednesday, May 13

Day

5/13
90°Hi
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 87°
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
Record-breaking temperatures; breezy this afternoon; gusty winds, low humidity and dry brush will result in an elevated wildfire risk

Max UV Index11.0 (Extreme)

AccuLumen Brightness Index™7 (Bright)

WindSSE 8 mph

Wind Gusts22 mph

Probability of Precipitation3%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover46%

Morning

Afternoon

Night

5/13
62°Lo
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Partly cloudy

WindSW 8 mph

Wind Gusts13 mph

Probability of Precipitation4%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover45%

Evening

Overnight

Sun & Moon

14 hrs 19 mins
Rise 5:47 AM
Set 8:06 PM
Waning Crescent
Rise 3:37 AM
Set 4:43 PM

Temperature History

5/13
High
Low
Forecast
90°
62°
Average
73°
43°
Last Year
84°
55°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Storms to bring lightning, strong wind gusts from East to Rockies

3 hours ago

Recreation

Pregnant hiker, dogs rescued from heat on Florida trail

6 hours ago

Weather Forecasts

Sudden summer weather on the way for Midwest, East next week

14 hours ago

Weather News

11 rescued after small plane crashes off South Florida

10 hours ago

Weather Forecasts

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

6 hours ago

 More Stories

Featured Stories

Weather News

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

4 hours ago

Recreation

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

1 day ago

Recreation

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

1 day ago

Recreation

1st fatal bear attack since 1998 reported in Glacier National Park

2 days ago

Astronomy

Curiosity rover got a rock stuck to its drill on Mars, and NASA had to...

1 day ago
World North America United States Colorado Thornton

Weather Near Thornton:

  • Boulder, CO
  • Denver, CO
  • Fort Collins, CO
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

...

...

...