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Heat dome to bring 90 to 100-degree temps. See when the heat will peak. Chevron right

Keystone, CO

70°F
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Keystone

Colorado

70°
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Keystone, CO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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8 PM

70°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

11:00 AM Sunday - 9:00 PM Sunday
alerts

Air Quality Alert

9:11 AM Sunday - 9:00 AM Monday

RealFeel Shade™67°

WindWSW 16 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts17 mph

Humidity17%

Indoor Humidity17% (Dry)

Dew Point23° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

68°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Air Quality Alert

9:11 AM Sunday - 9:00 AM Monday

WindWSW 15 mph

Air QualityPoor

Wind Gusts16 mph

Humidity19%

Indoor Humidity19% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

65°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Air Quality Alert

9:11 AM Sunday - 9:00 AM Monday

WindWSW 15 mph

Air QualityPoor

Wind Gusts16 mph

Humidity21%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

61°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Air Quality Alert

9:11 AM Sunday - 9:00 AM Monday

WindSW 16 mph

Air QualityPoor

Wind Gusts17 mph

Humidity24%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

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 70° with a RealFeel® of 67°, mostly sunny with a 0% 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.

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Weather Near Keystone:

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