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Longmont, CO

72°F
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Longmont, CO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today

Hourly

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

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10 AM

65°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

4:11 PM Thursday - 4:00 PM Friday

RealFeel Shade™63°

WindSSE 5 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts6 mph

Humidity63%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

71°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

4:11 PM Thursday - 4:00 PM Friday

RealFeel Shade™69°

WindSE 6 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts6 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

77°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

4:11 PM Thursday - 4:00 PM Friday

RealFeel Shade™75°

WindSE 6 mph

Air QualityFair

Max UV Index6.1 (High)

Wind Gusts7 mph

Humidity36%

Indoor Humidity36% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

84°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 9%
Chevron down
Mostly cloudy
alerts

Air Quality Alert

4:11 PM Thursday - 4:00 PM Friday

RealFeel Shade™81°

Heat Index82°

WindSSE 7 mph

Air QualityFair

Max UV Index5.6 (High)

Wind Gusts8 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling26500 ft

2 PM

89°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 14%
Chevron down
Mostly cloudy
alerts

Air Quality Alert

4:11 PM Thursday - 4:00 PM Friday

RealFeel Shade™86°

Heat Index85°

WindWNW 7 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts12 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling23000 ft

3 PM

93°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 14%
Chevron down
Cloudy
alerts

Air Quality Alert

4:11 PM Thursday - 4:00 PM Friday

RealFeel Shade™91°

Heat Index90°

WindWNW 8 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts13 mph

Humidity19%

Indoor Humidity19% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling19500 ft

4 PM

92°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 18%
Chevron down
Cloudy

RealFeel Shade™89°

Heat Index88°

WindW 8 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts14 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling21300 ft

5 PM

89°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™87°

Heat Index86°

WindSSW 7 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts8 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling23200 ft

6 PM

85°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

RealFeel Shade™80°

Heat Index85°

WindS 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts7 mph

Humidity41%

Indoor Humidity41% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.08 in

Visibility5 mi

Cloud Ceiling4000 ft

7 PM

82°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Mostly cloudy

RealFeel Shade™80°

Heat Index82°

WindSSW 6 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts7 mph

Humidity44%

Indoor Humidity44% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling23200 ft

8 PM

82°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

Heat Index81°

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover81%

Visibility10 mi

Cloud Ceiling21300 ft

9 PM

79°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling19500 ft

10 PM

76°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity45%

Indoor Humidity45% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover74%

Visibility10 mi

Cloud Ceiling19400 ft

11 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity48%

Indoor Humidity48% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling19400 ft

Hourly Weather Forecast for Longmont

AccuWeather's hourly forecast for Longmont provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 65° with a RealFeel® of 70°, intermittent clouds with a 6% 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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