Boulder, CO

Hourly

1 PM

82° 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 0% Partly sunny

• RealFeel Shade™: 79°
• Heat Index: 80°
• Wind: NE 9 mph
• Air Quality: Poor
• Max UV Index: 10.5 (Extreme)
• Wind Gusts: 13 mph
• Humidity: 23%
• Indoor Humidity: 23% (Slightly Dry)
• Dew Point: 40° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 36%
• Visibility: 10 mi
• Cloud Ceiling: 33400 ft

2 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 7% Partly sunny

• RealFeel Shade™: 81°
• Heat Index: 81°
• Wind: SE 9 mph
• Air Quality: Poor
• Max UV Index: 9.6 (Very High)
• Wind Gusts: 14 mph
• Humidity: 20%
• Indoor Humidity: 20% (Slightly Dry)
• Dew Point: 39° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 49%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

85° 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 7% Partly sunny

• RealFeel Shade™: 82°
• Heat Index: 82°
• Wind: SE 10 mph
• Air Quality: Poor
• Max UV Index: 7.2 (High)
• Wind Gusts: 16 mph
• Humidity: 18%
• Indoor Humidity: 18% (Slightly Dry)
• Dew Point: 37° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 47%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

87° 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 7% Partly sunny

• RealFeel Shade™: 83°
• Heat Index: 83°
• Wind: SSE 12 mph
• Air Quality: Poor
• Max UV Index: 4.9 (Moderate)
• Wind Gusts: 14 mph
• Humidity: 16%
• Indoor Humidity: 16% (Slightly Dry)
• Dew Point: 36° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

86° RealFeel® 85° 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 7% Intermittent clouds

• RealFeel Shade™: 82°
• Heat Index: 82°
• Wind: SSE 13 mph
• Air Quality: Poor
• Max UV Index: 2.9 (Moderate)
• Wind Gusts: 15 mph
• Humidity: 17%
• Indoor Humidity: 17% (Slightly Dry)
• Dew Point: 36° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

83° RealFeel® 82° 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 7% Intermittent clouds

• RealFeel Shade™: 80°
• Heat Index: 81°
• Wind: SSE 13 mph
• Air Quality: Poor
• Max UV Index: 2.0 (Low)
• Wind Gusts: 16 mph
• Humidity: 19%
• Indoor Humidity: 19% (Slightly Dry)
• Dew Point: 37° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 65%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

81° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 5% Intermittent clouds

• RealFeel Shade™: 79°
• Heat Index: 80°
• Wind: S 12 mph
• Air Quality: Poor
• Max UV Index: 0.9 (Low)
• Wind Gusts: 14 mph
• Humidity: 21%
• Indoor Humidity: 21% (Slightly Dry)
• Dew Point: 38° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

78° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Cloudy

• RealFeel Shade™: 75°
• Wind: SSW 9 mph
• Air Quality: Poor
• Max UV Index: 0.0 (Low)
• Wind Gusts: 12 mph
• Humidity: 23%
• Indoor Humidity: 23% (Slightly Dry)
• Dew Point: 37° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

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

• Wind: SW 8 mph
• Air Quality: Poor
• Wind Gusts: 12 mph
• Humidity: 26%
• Indoor Humidity: 26% (Slightly Dry)
• Dew Point: 38° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

72° RealFeel® 69° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Cloudy

• Wind: WSW 9 mph
• Air Quality: Poor
• Wind Gusts: 13 mph
• Humidity: 28%
• Indoor Humidity: 28% (Slightly Dry)
• Dew Point: 38° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

69° RealFeel® 66° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Cloudy

• Wind: W 10 mph
• Air Quality: Poor
• Wind Gusts: 14 mph
• Humidity: 30%
• Indoor Humidity: 30% (Slightly Dry)
• Dew Point: 37° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft