Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
After a soggy & chilly weekend, drier & warmer conditions will return to the Northeast later Monday. Details. Chevron right

Keystone, CO

59°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Keystone

Colorado

59°
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
Keystone, 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
Monday, May 25

Day

5/25
64°Hi
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Mostly cloudy with a thundershower in the afternoon; outdoor plans can be impacted

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™2 (Dark)

WindS 6 mph

Wind Gusts15 mph

Probability of Precipitation55%

Probability of Thunderstorms17%

Precipitation0.06 in

Rain0.06 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover92%

Morning

Afternoon

Night

5/25
43°Lo
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
An evening thunderstorm in spots; otherwise, overcast

WindSSE 6 mph

Wind Gusts9 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.05 in

Rain0.05 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover96%

Evening

Overnight

Sun & Moon

14 hrs 29 mins
Rise 5:54 AM
Set 8:23 PM
Waxing Gibbous
Rise 3:19 PM
Set 3:06 AM

Temperature History

5/25
High
Low
Forecast
64°
43°
Average
64°
30°
Last Year
63°
41°
Record
79°
1922
20°
1960

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Drenching, gusty storms will put damper on plans in Southeast, Plains

2 hours ago

Weather News

Southern California fires threaten homes and former nuclear site

2 days ago

Weather Forecasts

After chilly, soggy holiday weekend, Northeast to turn warmer & drier

3 hours ago

Hurricane

Hurricane season hasn't started, but one area is already being watched

2 hours ago

Weather News

State of Emergency declared for Utah drought after 'no-pack' winter

2 days ago

 More Stories

Featured Stories

Astronomy

SpaceX unleashes upgraded Starship rocket in 12th test flight

1 day ago

Health

Melanoma survivor shares warning for Don’t Fry Day: ‘I changed everyth...

2 days ago

Travel

Waymo recalls robotaxi fleet after one drove into Texas floodwaters

3 days ago

Recreation

It’s nearly Memorial Day, but this national park just had a snowstorm

4 days ago

Astronomy

Neptune’s moon Nereid may be survivor from ancient cosmic shake-up

2 days ago
World North America United States Colorado Keystone

Weather Near Keystone:

  • 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

...

...

...