Herndon Junction, VA

Hourly

8 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 43% Partly sunny

• RealFeel Shade™: 93°
• Wind: WSW 10 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 21 mph
• Humidity: 73%
• Indoor Humidity: 73% (Extremely Humid)
• Dew Point: 76° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

84° 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 cloudy w/ t-storms

• Wind: WSW 8 mph
• Air Quality: Fair
• Wind Gusts: 20 mph
• Humidity: 75%
• Indoor Humidity: 75% (Extremely Humid)
• Dew Point: 75° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 11%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 30000 ft

10 PM

81° 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 47% Mostly clear

• Wind: WSW 6 mph
• Air Quality: Fair
• Wind Gusts: 16 mph
• Humidity: 78%
• Indoor Humidity: 78% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

79° 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 32% Mostly clear

• Wind: W 6 mph
• Air Quality: Fair
• Wind Gusts: 15 mph
• Humidity: 81%
• Indoor Humidity: 81% (Extremely Humid)
• Dew Point: 73° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 11%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft