For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Nor’easter intensifying with howling winds, heavy rain. Click for details.

Hurricane Nolo to unleash feet of rain in Hawaii. Click for the forecast.

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

3 PM

50°

RealFeel® 45°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

56%

Thunderstorms

RealFeel Shade™45°

WindW 9 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts12 mph

Humidity88%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1100 ft

4 PM

51°

RealFeel® 46°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

56%

Thunderstorms

RealFeel Shade™46°

WindW 9 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts12 mph

Humidity84%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling1100 ft

5 PM

51°

RealFeel® 47°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

49%

Cloudy

RealFeel Shade™47°

WindWNW 9 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts16 mph

Humidity76%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling1100 ft

6 PM

52°

RealFeel® 44°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

70%

Thunderstorms

RealFeel Shade™44°

WindWNW 9 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts16 mph

Humidity80%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1100 ft

7 PM

52°

RealFeel® 47°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

49%

Mostly cloudy

WindWNW 9 mph

Air QualityFair

Wind Gusts13 mph

Humidity77%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling5600 ft

8 PM

52°

RealFeel® 47°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

14%

Intermittent clouds

WindW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity79%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling10100 ft

9 PM

51°

RealFeel® 47°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

14%

Intermittent clouds

WindW 9 mph

Air QualityFair

Wind Gusts9 mph

Humidity79%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling14700 ft

10 PM

50°

RealFeel® 45°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

14%

Partly cloudy

WindW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity82%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

48°

RealFeel® 43°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

14%

Partly cloudy

WindW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity85%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

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 50° with a RealFeel® of 45°, thunderstorms with a 56% 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

Sunday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Nor'easter to howl at coast with damaging storm surge, power outages

36 minutes ago

Weather News

Nor'easter intensifies as coast braces for flooding, damaging waves

24 minutes ago

Hurricane

Hurricane Nolo to become a Cat 3; Hawaii bracing for historic deluge

3 hours ago

Weather News

Nor’easter damages Outer Banks roads, causes flooding in Virginia

26 minutes ago

Hurricane

Hurricane Polo to send tropical downpours into New Mexico, Texas

42 minutes ago

Featured Stories

Climate

Water Demand: The double-edged sword of data centers

2 days ago

Astronomy

NASA marks Hubble’s 200,000th orbit around Earth with a stunning image

1 day ago

Hurricane

Category 5 Hurricane Polo strengthens to 2nd strongest on record

2 days ago

Astronomy

Harvest Moon 2026: When to see September’s full moon

8 hours ago

Recreation

Hiker dies in fall on Washington trail a day after hiker found dead

1 day 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

...

...

...