Longmont, CO

Hourly

1 PM

83° 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 8% Partly sunny

alerts Air Quality Alert 4:11 PM Friday - 4:00 PM Saturday

• RealFeel Shade™: 79°
• Heat Index: 81°
• Wind: SE 8 mph
• Air Quality: Poor
• Max UV Index: 11.8 (Extreme)
• Wind Gusts: 9 mph
• Humidity: 35%
• Indoor Humidity: 35% (Ideal Humidity)
• Dew Point: 52° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

86° 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 51% Partly sunny w/ t-storms

alerts Air Quality Alert 4:11 PM Friday - 4:00 PM Saturday

• RealFeel Shade™: 80°
• Heat Index: 83°
• Wind: SSE 14 mph
• Air Quality: Poor
• Max UV Index: 10.6 (Extreme)
• Wind Gusts: 18 mph
• Humidity: 27%
• Indoor Humidity: 27% (Ideal Humidity)
• Dew Point: 48° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Rain: 0.02 in
• Visibility: 6 mi
• Cloud Ceiling: 30000 ft

3 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 47% Partly sunny

alerts Air Quality Alert 4:11 PM Friday - 4:00 PM Saturday

• RealFeel Shade™: 85°
• Heat Index: 86°
• Wind: SSW 15 mph
• Air Quality: Poor
• Max UV Index: 8.1 (Very High)
• Wind Gusts: 24 mph
• Humidity: 22%
• Indoor Humidity: 22% (Ideal Humidity)
• Dew Point: 45° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 39%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 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 35% Partly sunny

• RealFeel Shade™: 88°
• Heat Index: 88°
• Wind: WSW 17 mph
• Air Quality: Poor
• Max UV Index: 5.3 (Moderate)
• Wind Gusts: 21 mph
• Humidity: 17%
• Indoor Humidity: 17% (Ideal Humidity)
• Dew Point: 42° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 33%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

94° 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 19% Mostly sunny

• RealFeel Shade™: 90°
• Heat Index: 90°
• Wind: W 20 mph
• Air Quality: Poor
• Max UV Index: 3.7 (Moderate)
• Wind Gusts: 24 mph
• Humidity: 14%
• Indoor Humidity: 14% (Slightly Dry)
• Dew Point: 38° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

92° 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 19% Mostly sunny

• RealFeel Shade™: 87°
• Heat Index: 87°
• Wind: W 22 mph
• Air Quality: Poor
• Max UV Index: 2.4 (Low)
• Wind Gusts: 27 mph
• Humidity: 13%
• Indoor Humidity: 13% (Slightly Dry)
• Dew Point: 34° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

88° 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 13% Mostly sunny

• RealFeel Shade™: 83°
• Heat Index: 84°
• Wind: WNW 21 mph
• Air Quality: Poor
• Max UV Index: 1.4 (Low)
• Wind Gusts: 29 mph
• Humidity: 15%
• Indoor Humidity: 15% (Slightly Dry)
• Dew Point: 35° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

83° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Sunny

• RealFeel Shade™: 80°
• Heat Index: 81°
• Wind: N 12 mph
• Air Quality: Poor
• Max UV Index: 0.4 (Low)
• Wind Gusts: 29 mph
• Humidity: 20%
• Indoor Humidity: 20% (Slightly Dry)
• Dew Point: 38° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 8%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

79° RealFeel® 76° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: NE 10 mph
• Air Quality: Poor
• Wind Gusts: 23 mph
• Humidity: 27%
• Indoor Humidity: 27% (Ideal Humidity)
• Dew Point: 42° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

75° RealFeel® 72° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: NNE 9 mph
• Air Quality: Fair
• Wind Gusts: 16 mph
• Humidity: 34%
• Indoor Humidity: 34% (Ideal Humidity)
• Dew Point: 44° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 24%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

70° RealFeel® 67° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Partly cloudy

• Wind: NNW 8 mph
• Air Quality: Fair
• Wind Gusts: 12 mph
• Humidity: 44%
• Indoor Humidity: 44% (Ideal Humidity)
• Dew Point: 47° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 38%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft