For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Severe weather, flooding return to central US | Click to see the impacts.

Keystone, CO

Location

Location News Videos

Use Current Location

Recent

Keystone

Colorado

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.

Have an account already? Log In

settings

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

Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

2 PM

73°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

39%

Partly sunny

RealFeel Shade™68°

WindWNW 20 mph

Air QualityPoor

Max UV Index11.6 (Extreme)

Wind Gusts31 mph

Humidity20%

Indoor Humidity20% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover42%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

75°

RealFeel® 76°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Mostly sunny

RealFeel Shade™70°

WindWNW 20 mph

Air QualityPoor

Max UV Index8.8 (Very High)

Wind Gusts30 mph

Humidity20%

Indoor Humidity20% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

76°

RealFeel® 77°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

33%

Mostly sunny

RealFeel Shade™72°

WindWNW 18 mph

Air QualityPoor

Max UV Index5.7 (High)

Wind Gusts29 mph

Humidity18%

Indoor Humidity18% (Dry)

Dew Point29° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

75°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

33%

Mostly sunny

RealFeel Shade™71°

WindWNW 17 mph

Air QualityPoor

Max UV Index4.0 (Moderate)

Wind Gusts27 mph

Humidity17%

Indoor Humidity17% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

74°

RealFeel® 72°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

33%

Mostly sunny

RealFeel Shade™70°

WindWNW 16 mph

Air QualityPoor

Max UV Index2.5 (Moderate)

Wind Gusts23 mph

Humidity17%

Indoor Humidity17% (Dry)

Dew Point26° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

72°

RealFeel® 70°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

37%

Mostly sunny

RealFeel Shade™68°

WindNW 13 mph

Air QualityPoor

Max UV Index1.4 (Low)

Wind Gusts14 mph

Humidity18%

Indoor Humidity18% (Dry)

Dew Point27° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

72°

RealFeel® 67°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

42%

Partly sunny w/ showers

RealFeel Shade™67°

WindNNW 8 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts9 mph

Humidity20%

Indoor Humidity20% (Dry)

Dew Point28° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover25%

Rain0.01 in

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

68°

RealFeel® 66°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

38%

Mostly clear

WindNNE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity24%

Indoor Humidity24% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

64°

RealFeel® 62°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

34%

Mostly clear

WindENE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity30%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

61°

RealFeel® 58°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

33%

Mostly clear

WindESE 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity37%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Keystone

AccuWeather's hourly forecast for Keystone provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 73° with a RealFeel® of 75°, partly sunny with a 39% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Tuesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Storms, flood threat persist across central US

7 minutes ago

Weather News

Rescues underway, dam fears grow as Arthur floods Gulf Coast homes

2 days ago

Weather News

Next round of record-challenging heat on the way for Pacific Northwest

2 hours ago

Severe Weather

Tornadoes, winds rip through Illinois causing widespread damage

3 days ago

Live: World Cup 2026 weather updates

LATEST ENTRY

USMNT fans’ celebration registers on seismic sensors in Seattle

1 day ago

Featured Stories

Severe Weather

Illinois has already surpassed its record year for tornado reports

3 days ago

Recreation

Black bear injures teen on Washington trail

3 days ago

Astronomy

Meteorological summer vs. astronomical summer explained

3 days ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

4 days ago

Health

Pickle is the pumpkin spice of summer

5 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

...

...

...