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Longmont, CO

47°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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1 AM

45°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Partly cloudy

WindSW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity36%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

44°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Partly cloudy

WindSW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity39%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover36%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

42°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Mostly clear

WindSW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity41%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

41°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Mostly clear

WindSW 8 mph

Air QualityFair

Wind Gusts8 mph

Humidity44%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

40°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Mostly clear

WindWNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity46%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

39°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Mostly clear

WindNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity48%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

38°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 5%
Chevron down
Mostly sunny

RealFeel Shade™33°

WindWNW 8 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts8 mph

Humidity50%

Indoor Humidity31% (Dry)

Dew Point21° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

42°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™37°

WindSE 8 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts9 mph

Humidity41%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

50°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™45°

WindSE 9 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts9 mph

Humidity30%

Indoor Humidity30% (Dry)

Dew Point20° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

57°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™53°

WindSE 9 mph

Air QualityFair

Max UV Index4.4 (Moderate)

Wind Gusts10 mph

Humidity21%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

61°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™57°

WindSSE 10 mph

Air QualityFair

Max UV Index6.0 (High)

Wind Gusts12 mph

Humidity17%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

65°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™61°

WindSSE 12 mph

Air QualityFair

Max UV Index8.1 (Very High)

Wind Gusts14 mph

Humidity13%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

68°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™64°

WindSSW 13 mph

Air QualityFair

Max UV Index8.9 (Very High)

Wind Gusts18 mph

Humidity11%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

70°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™66°

WindWSW 15 mph

Air QualityFair

Max UV Index8.1 (Very High)

Wind Gusts24 mph

Humidity10%

Indoor Humidity10% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™68°

WindW 17 mph

Air QualityFair

Max UV Index6.0 (High)

Wind Gusts29 mph

Humidity8%

Indoor Humidity8% (Very Dry)

Dew Point7° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover53%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™69°

WindW 18 mph

Air QualityFair

Max UV Index4.3 (Moderate)

Wind Gusts31 mph

Humidity7%

Indoor Humidity7% (Very Dry)

Dew Point6° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover61%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

72°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™68°

WindW 20 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts32 mph

Humidity7%

Indoor Humidity7% (Extremely Dry)

Dew Point4° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™66°

WindW 18 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts33 mph

Humidity7%

Indoor Humidity7% (Extremely Dry)

Dew Point3° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Red Flag Warning

11:00 AM Friday - 8:00 PM Friday

RealFeel Shade™65°

WindW 16 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts25 mph

Humidity8%

Indoor Humidity18% (Extremely Dry)

Dew Point3° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover57%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

64°
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

WindW 13 mph

Air QualityFair

Wind Gusts16 mph

Humidity9%

Indoor Humidity18% (Extremely Dry)

Dew Point3° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

59°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 10 mph

Air QualityFair

Wind Gusts12 mph

Humidity12%

Indoor Humidity20% (Very Dry)

Dew Point5° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

53°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWNW 12 mph

Air QualityFair

Wind Gusts13 mph

Humidity18%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

50°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNW 12 mph

Air QualityFair

Wind Gusts13 mph

Humidity27%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

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 45° with a RealFeel® of 40°, partly cloudy 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.

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