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Longmont, CO

65°F
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Longmont, CO Weather
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1 AM

64°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 22%
Chevron down
Clear
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

WindN 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity53%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

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

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

WindNNW 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity59%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

60°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

WindNW 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity64%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

59°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

WindNW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity68%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

57°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

WindNW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity70%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

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

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™56°

WindNW 5 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts6 mph

Humidity72%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

60°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 1%
Chevron down
Sunny
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™59°

WindNW 5 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts6 mph

Humidity63%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

66°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly sunny
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™64°

WindNE 6 mph

Air QualityPoor

Max UV Index2.3 (Low)

Wind Gusts6 mph

Humidity51%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

72°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly sunny
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™70°

WindE 6 mph

Air QualityPoor

Max UV Index3.7 (Moderate)

Wind Gusts6 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

79°
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 6%
Chevron down
Mostly sunny
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™77°

WindE 7 mph

Air QualityPoor

Max UV Index5.2 (Moderate)

Wind Gusts7 mph

Humidity31%

Indoor Humidity31% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

84°
RealFeel® 90°
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 5%
Chevron down
Mostly sunny
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™82°

Heat Index82°

WindESE 7 mph

Air QualityPoor

Max UV Index8.0 (Very High)

Wind Gusts8 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

87°
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 5%
Chevron down
Mostly sunny
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™84°

Heat Index84°

WindESE 8 mph

Air QualityPoor

Max UV Index10.5 (Very High)

Wind Gusts10 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

90°
RealFeel® 97°
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 8%
Chevron down
Mostly sunny
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™87°

Heat Index86°

WindESE 8 mph

Air QualityPoor

Max UV Index11.6 (Extreme)

Wind Gusts12 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

93°
RealFeel® 100°
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 47%
Chevron down
Mostly sunny
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™90°

Heat Index89°

WindSE 7 mph

Air QualityPoor

Max UV Index10.5 (Very High)

Wind Gusts14 mph

Humidity15%

Indoor Humidity15% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

94°
RealFeel® 96°
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 51%
Chevron down
Partly sunny w/ t-storms
alerts

Air Quality Alert

4:11 PM Saturday - 4:00 PM Sunday

RealFeel Shade™88°

Heat Index92°

WindSSE 7 mph

Air QualityPoor

Max UV Index8.0 (Very High)

Wind Gusts14 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Rain0.15 in

Visibility4 mi

Cloud Ceiling30000 ft

4 PM

96°
RealFeel® 98°
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 47%
Chevron down
Mostly sunny

RealFeel Shade™93°

Heat Index92°

WindSSE 8 mph

Air QualityPoor

Max UV Index5.2 (Moderate)

Wind Gusts16 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

94°
RealFeel® 95°
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 15%
Chevron down
Mostly sunny

RealFeel Shade™91°

Heat Index90°

WindSE 9 mph

Air QualityPoor

Max UV Index3.7 (Moderate)

Wind Gusts18 mph

Humidity19%

Indoor Humidity19% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

92°
RealFeel® 92°
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 15%
Chevron down
Mostly sunny

RealFeel Shade™89°

Heat Index88°

WindSE 10 mph

Air QualityPoor

Max UV Index2.3 (Low)

Wind Gusts21 mph

Humidity15%

Indoor Humidity15% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

90°
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 19%
Chevron down
Mostly sunny

RealFeel Shade™87°

Heat Index86°

WindSE 9 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts18 mph

Humidity17%

Indoor Humidity17% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™78°

Heat Index83°

WindSSE 9 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts16 mph

Humidity36%

Indoor Humidity36% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover69%

Rain0.10 in

Visibility4 mi

Cloud Ceiling2000 ft

9 PM

81°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

Heat Index80°

WindSSE 9 mph

Air QualityPoor

Wind Gusts14 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

78°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds

WindSE 8 mph

Air QualityPoor

Wind Gusts12 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover53%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Partly cloudy

WindE 7 mph

Air QualityPoor

Wind Gusts10 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover38%

Visibility10 mi

Cloud Ceiling30000 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 64° with a RealFeel® of 64°, clear with a 22% 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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