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Flood in a drought: Heavy rain to drench southern US into the weekend. See the forecast. Chevron right

Longmont, CO

70°F
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Longmont

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70°
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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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4 PM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
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Thunderstorms
alerts

Severe Thunderstorm Watch

2:15 PM Saturday - 9:00 PM Saturday

RealFeel Shade™65°

WindW 14 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts16 mph

Humidity27%

Indoor Humidity27% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling9000 ft

5 PM

70°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 24%
Chevron down
Partly sunny
alerts

Severe Thunderstorm Watch

2:15 PM Saturday - 9:00 PM Saturday

RealFeel Shade™66°

WindWNW 13 mph

Air QualityPoor

Max UV Index3.6 (Moderate)

Wind Gusts16 mph

Humidity28%

Indoor Humidity28% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

70°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Partly sunny
alerts

Severe Thunderstorm Watch

2:15 PM Saturday - 9:00 PM Saturday

RealFeel Shade™66°

WindNW 13 mph

Air QualityPoor

Max UV Index2.3 (Low)

Wind Gusts20 mph

Humidity29%

Indoor Humidity29% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 15%
Chevron down
Partly sunny
alerts

Severe Thunderstorm Watch

2:15 PM Saturday - 9:00 PM Saturday

RealFeel Shade™66°

WindNW 10 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts13 mph

Humidity31%

Indoor Humidity31% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds
alerts

Severe Thunderstorm Watch

2:15 PM Saturday - 9:00 PM Saturday

RealFeel Shade™65°

WindW 12 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts13 mph

Humidity34%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

64°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds

WindW 12 mph

Air QualityPoor

Wind Gusts13 mph

Humidity40%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover68%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

61°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds

WindW 10 mph

Air QualityPoor

Wind Gusts10 mph

Humidity45%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling26300 ft

11 PM

58°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds

WindWSW 8 mph

Air QualityPoor

Wind Gusts8 mph

Humidity50%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling22600 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 70° with a RealFeel® of 68°, thunderstorms with a 47% 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 Longmont:

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