For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Hurricane season starts on Monday, and a storm may spin up soon. Get the details.

Rounds of rain from Texas to Carolinas may lead to flash floods, drought relief. Click for info.

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

11 AM

57°

RealFeel® 64°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Intermittent clouds

RealFeel Shade™54°

WindSSE 8 mph

Air QualityFair

Max UV Index6.5 (High)

Wind Gusts12 mph

Humidity41%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover55%

Visibility10 mi

Cloud Ceiling15000 ft

12 PM

58°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Intermittent clouds

RealFeel Shade™55°

WindSSE 9 mph

Air QualityFair

Max UV Index5.6 (High)

Wind Gusts15 mph

Humidity40%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

1 PM

57°

RealFeel® 62°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

10%

Intermittent clouds

RealFeel Shade™53°

WindSSE 9 mph

Air QualityFair

Max UV Index6.2 (High)

Wind Gusts16 mph

Humidity43%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

2 PM

56°

RealFeel® 53°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

52%

Thunderstorms

RealFeel Shade™49°

WindSSE 8 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts17 mph

Humidity56%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

3 PM

55°

RealFeel® 55°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

48%

Cloudy

RealFeel Shade™51°

WindSSE 8 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts17 mph

Humidity59%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

4 PM

55°

RealFeel® 54°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

47%

Cloudy

RealFeel Shade™51°

WindSSE 8 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts17 mph

Humidity58%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

53°

RealFeel® 47°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

51%

Thunderstorms

RealFeel Shade™47°

WindSSE 9 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts17 mph

Humidity67%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

6 PM

52°

RealFeel® 49°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

47%

Cloudy

RealFeel Shade™49°

WindSSE 8 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts16 mph

Humidity69%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

7 PM

51°

RealFeel® 48°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

47%

Cloudy

RealFeel Shade™48°

WindSSE 8 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts14 mph

Humidity73%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

8 PM

49°

RealFeel® 43°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

51%

Partly sunny w/ showers

RealFeel Shade™43°

WindSSE 7 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts13 mph

Humidity78%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover45%

Rain0.02 in

Visibility6 mi

Cloud Ceiling30000 ft

9 PM

51°

RealFeel® 49°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

47%

Partly cloudy

WindSSE 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity70%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

50°

RealFeel® 47°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

41%

Partly cloudy

WindSSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity75%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

48°

RealFeel® 46°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

34%

Partly cloudy

WindSSE 7 mph

Air QualityFair

Wind Gusts7 mph

Humidity78%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

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 57° with a RealFeel® of 64°, intermittent clouds with a 7% 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

Thursday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Summerlike midweek surge in Northeast to be chased by more chill

45 minutes ago

Severe Weather

Woman dies after vehicle is swept away in Mississippi flash flooding

1 hour ago

Weather Forecasts

Flash flood risk, drought relief to grow from Texas to Carolinas

1 hour ago

Hurricane

Tropics could spring to life at end of May near southeast US

1 hour ago

Astronomy

Blue Moon, 4 planets to shine during the final weekend of May

1 day ago

Featured Stories

Weather News

Rescuers race to reach 7 villagers trapped for a week in flooded Laos ...

2 hours ago

Weather News

Australian spearfisher killed in shark attack off Great Barrier Reef

1 day ago

Sun rises on a hot day in Germany

LATEST ENTRY

Brilliant sunrise in a grain field during Germany heat

1 day ago

Climate

Rising seas will swallow New Orleans. People need to start relocating ...

1 day ago

Astronomy

NASA spacecraft captures stunning crescent views of Mars

3 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

...

...

...