Chantilly, VA

Hourly

2 PM

86° 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 0% Partly sunny

• RealFeel Shade™: 83°
• Heat Index: 83°
• Wind: WNW 7 mph
• Air Quality: Fair
• Max UV Index: 8.9 (Very High)
• Wind Gusts: 8 mph
• Humidity: 30%
• Indoor Humidity: 30% (Ideal Humidity)
• Dew Point: 51° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 34000 ft

3 PM

87° 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 0% Mostly sunny

• RealFeel Shade™: 84°
• Heat Index: 85°
• Wind: WNW 6 mph
• Air Quality: Fair
• Max UV Index: 6.7 (High)
• Wind Gusts: 9 mph
• Humidity: 34%
• Indoor Humidity: 34% (Slightly Humid)
• Dew Point: 56° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

88° 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 0% Mostly sunny

• RealFeel Shade™: 86°
• Heat Index: 87°
• Wind: WNW 6 mph
• Air Quality: Fair
• Max UV Index: 4.5 (Moderate)
• Wind Gusts: 9 mph
• Humidity: 38%
• Indoor Humidity: 38% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 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 0% Mostly sunny

• RealFeel Shade™: 85°
• Heat Index: 88°
• Wind: WNW 6 mph
• Air Quality: Fair
• Max UV Index: 3.1 (Moderate)
• Wind Gusts: 8 mph
• Humidity: 43%
• Indoor Humidity: 43% (Slightly Humid)
• Dew Point: 62° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

86° 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 0% Mostly sunny

• RealFeel Shade™: 84°
• Heat Index: 86°
• Wind: WNW 6 mph
• Air Quality: Fair
• Max UV Index: 1.9 (Low)
• Wind Gusts: 8 mph
• Humidity: 45%
• Indoor Humidity: 45% (Slightly Humid)
• Dew Point: 62° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

85° 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 sunny

• RealFeel Shade™: 85°
• Heat Index: 85°
• Wind: W 6 mph
• Air Quality: Fair
• Max UV Index: 0.9 (Low)
• Wind Gusts: 8 mph
• Humidity: 47%
• Indoor Humidity: 47% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 25%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

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

• RealFeel Shade™: 81°
• Heat Index: 83°
• Wind: S 5 mph
• Air Quality: Fair
• Max UV Index: 0.0 (Low)
• Wind Gusts: 6 mph
• Humidity: 56%
• Indoor Humidity: 56% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

79° RealFeel® 78° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: SSE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 63%
• Indoor Humidity: 63% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

76° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: SSE 6 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 70%
• Indoor Humidity: 70% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

73° RealFeel® 72° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: SSE 6 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 78%
• Indoor Humidity: 78% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft