Ashburn, VA

Hourly

4 PM

88° RealFeel® 93° 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 40% Mostly cloudy

• RealFeel Shade™: 90°
• Heat Index: 93°
• Wind: W 7 mph
• Air Quality: Fair
• Max UV Index: 1.7 (Low)
• Wind Gusts: 8 mph
• Humidity: 56%
• Indoor Humidity: 56% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 83%
• Visibility: 10 mi
• Cloud Ceiling: 16100 ft

5 PM

88° 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 66% Mostly cloudy w/ t-storms

• RealFeel Shade™: 89°
• Heat Index: 94°
• Wind: WSW 7 mph
• Air Quality: Fair
• Max UV Index: 1.3 (Low)
• Wind Gusts: 7 mph
• Humidity: 59%
• Indoor Humidity: 59% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 65%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 14700 ft

6 PM

86° 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 49% Intermittent clouds

• RealFeel Shade™: 91°
• Heat Index: 91°
• Wind: WSW 6 mph
• Air Quality: Fair
• Max UV Index: 1.0 (Low)
• Wind Gusts: 7 mph
• Humidity: 62%
• Indoor Humidity: 62% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 53%
• Visibility: 10 mi
• Cloud Ceiling: 19800 ft

7 PM

83° 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 32% Partly sunny

• RealFeel Shade™: 88°
• Heat Index: 88°
• Wind: WSW 6 mph
• Air Quality: Excellent
• Max UV Index: 0.2 (Low)
• Wind Gusts: 6 mph
• Humidity: 68%
• Indoor Humidity: 68% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

80° 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 0% Mostly clear

• Heat Index: 84°
• Wind: WSW 6 mph
• Air Quality: Excellent
• Wind Gusts: 6 mph
• Humidity: 74%
• Indoor Humidity: 74% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

78° 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 0% Mostly clear

• Wind: WSW 6 mph
• Air Quality: Excellent
• Wind Gusts: 6 mph
• Humidity: 79%
• Indoor Humidity: 79% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

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

• Wind: W 6 mph
• Air Quality: Excellent
• Wind Gusts: 7 mph
• Humidity: 86%
• Indoor Humidity: 86% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

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

• Wind: W 6 mph
• Air Quality: Excellent
• Wind Gusts: 7 mph
• Humidity: 84%
• Indoor Humidity: 84% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft