Chantilly, VA

Hourly

12 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 57% Thunderstorms

• RealFeel Shade™: 79°
• Heat Index: 85°
• Wind: SW 16 mph
• Air Quality: Poor
• Max UV Index: 3.6 (Moderate)
• Wind Gusts: 24 mph
• Humidity: 58%
• Indoor Humidity: 58% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 100%
• Visibility: 10 mi
• Cloud Ceiling: 22400 ft

1 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 49% Mostly cloudy

• RealFeel Shade™: 84°
• Heat Index: 89°
• Wind: WSW 16 mph
• Air Quality: Fair
• Max UV Index: 5.4 (Moderate)
• Wind Gusts: 23 mph
• Humidity: 58%
• Indoor Humidity: 58% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 84%
• Visibility: 10 mi
• Cloud Ceiling: 14700 ft

2 PM

87° 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 47% Mostly cloudy

• RealFeel Shade™: 86°
• Heat Index: 91°
• Wind: WSW 16 mph
• Air Quality: Fair
• Max UV Index: 4.0 (Moderate)
• Wind Gusts: 25 mph
• Humidity: 56%
• Indoor Humidity: 56% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 3 (Dull)
• Cloud Cover: 85%
• Visibility: 10 mi
• Cloud Ceiling: 7100 ft

3 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 51% Thunderstorms

• RealFeel Shade™: 90°
• Heat Index: 99°
• Wind: W 16 mph
• Air Quality: Fair
• Max UV Index: 2.6 (Moderate)
• Wind Gusts: 28 mph
• Humidity: 65%
• Indoor Humidity: 65% (Extremely Humid)
• Dew Point: 75° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 75%
• Rain: 0.06 in
• Visibility: 5 mi
• Cloud Ceiling: 4000 ft

4 PM

90° RealFeel® 95° 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% Intermittent clouds

• RealFeel Shade™: 91°
• Heat Index: 96°
• Wind: W 14 mph
• Air Quality: Fair
• Max UV Index: 4.2 (Moderate)
• Wind Gusts: 27 mph
• Humidity: 54%
• Indoor Humidity: 54% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 61%
• Visibility: 10 mi
• Cloud Ceiling: 22400 ft

5 PM

89° 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 34% Intermittent clouds

• RealFeel Shade™: 90°
• Heat Index: 95°
• Wind: W 13 mph
• Air Quality: Fair
• Max UV Index: 3.4 (Moderate)
• Wind Gusts: 24 mph
• Humidity: 53%
• Indoor Humidity: 53% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 53%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

88° 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 34% Intermittent clouds

• RealFeel Shade™: 87°
• Heat Index: 91°
• Wind: W 12 mph
• Air Quality: Fair
• Max UV Index: 2.1 (Low)
• Wind Gusts: 23 mph
• Humidity: 50%
• Indoor Humidity: 50% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 60%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

87° RealFeel® 87° 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 34% Mostly cloudy

• RealFeel Shade™: 87°
• Heat Index: 89°
• Wind: WSW 10 mph
• Air Quality: Fair
• Max UV Index: 1.0 (Low)
• Wind Gusts: 21 mph
• Humidity: 51%
• Indoor Humidity: 51% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 75%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

85° 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 34% Intermittent clouds

• RealFeel Shade™: 84°
• Heat Index: 86°
• Wind: WSW 10 mph
• Air Quality: Fair
• Max UV Index: 0.3 (Low)
• Wind Gusts: 21 mph
• Humidity: 51%
• Indoor Humidity: 51% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

82° RealFeel® 81° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 34% Intermittent clouds

• Heat Index: 84°
• Wind: WSW 8 mph
• Air Quality: Fair
• Wind Gusts: 17 mph
• Humidity: 54%
• Indoor Humidity: 54% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

80° RealFeel® 78° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 40% Intermittent clouds

• Heat Index: 80°
• Wind: W 7 mph
• Air Quality: Fair
• Wind Gusts: 14 mph
• Humidity: 57%
• Indoor Humidity: 57% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

77° RealFeel® 73° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 51% Mostly cloudy w/ t-storms

• Wind: W 7 mph
• Air Quality: Fair
• Wind Gusts: 10 mph
• Humidity: 72%
• Indoor Humidity: 72% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Rain: 0.15 in
• Visibility: 4 mi
• Cloud Ceiling: 2000 ft