Herndon, VA

Hourly

5 AM

68° RealFeel® 64° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 40% Showers

• Wind: SW 7 mph
• Air Quality: Fair
• Wind Gusts: 16 mph
• Humidity: 77%
• Indoor Humidity: 76% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 95%
• Visibility: 10 mi
• Cloud Ceiling: 7000 ft

6 AM

66° RealFeel® 64° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 37% Cloudy

• Wind: SW 8 mph
• Air Quality: Fair
• Wind Gusts: 18 mph
• Humidity: 81%
• Indoor Humidity: 77% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 91%
• Visibility: 10 mi
• Cloud Ceiling: 18800 ft

7 AM

65° RealFeel® 63° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 29% Mostly cloudy

• RealFeel Shade™: 63°
• Wind: SSW 8 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 18 mph
• Humidity: 85%
• Indoor Humidity: 78% (Slightly Humid)
• Dew Point: 61° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 84%
• Visibility: 10 mi
• Cloud Ceiling: 18900 ft

8 AM

70° RealFeel® 68° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 23% Mostly cloudy

• RealFeel Shade™: 67°
• Wind: SW 13 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 17 mph
• Humidity: 76%
• Indoor Humidity: 76% (Slightly Humid)
• Dew Point: 62° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 77%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 AM

74° RealFeel® 73° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 23% Mostly cloudy

• RealFeel Shade™: 70°
• Wind: SW 13 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 16 mph
• Humidity: 67%
• Indoor Humidity: 67% (Slightly Humid)
• Dew Point: 62° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 84%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 AM

77° RealFeel® 76° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 22% Cloudy

• RealFeel Shade™: 74°
• Wind: WSW 14 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 16 mph
• Humidity: 58%
• Indoor Humidity: 58% (Slightly Humid)
• Dew Point: 61° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 92%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 AM

80° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 20% Cloudy

• RealFeel Shade™: 76°
• Wind: WSW 14 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 17 mph
• Humidity: 51%
• Indoor Humidity: 51% (Slightly Humid)
• Dew Point: 60° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 100%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

12 PM

82° 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 20% Cloudy

• RealFeel Shade™: 78°
• Wind: WSW 15 mph
• Air Quality: Fair
• Max UV Index: 4 (Moderate)
• Wind Gusts: 17 mph
• Humidity: 46%
• Indoor Humidity: 46% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 99%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

1 PM

83° 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 20% Cloudy

• RealFeel Shade™: 80°
• Wind: WSW 14 mph
• Air Quality: Fair
• Max UV Index: 4 (Moderate)
• Wind Gusts: 18 mph
• Humidity: 42%
• Indoor Humidity: 42% (Slightly Humid)
• Dew Point: 58° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 99%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

85° 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 19% Cloudy

• RealFeel Shade™: 82°
• Wind: SW 8 mph
• Air Quality: Fair
• Max UV Index: 4 (Moderate)
• Wind Gusts: 13 mph
• Humidity: 39%
• Indoor Humidity: 39% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 99%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

85° RealFeel® 86° 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 19% Cloudy

• RealFeel Shade™: 82°
• Wind: SW 9 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 14 mph
• Humidity: 37%
• Indoor Humidity: 37% (Slightly Humid)
• Dew Point: 56° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 99%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

86° RealFeel® 86° 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 24% Cloudy

• RealFeel Shade™: 83°
• Wind: SSW 10 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 14 mph
• Humidity: 35%
• Indoor Humidity: 35% (Slightly Humid)
• Dew Point: 56° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 99%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

85° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 51% Thunderstorms

• RealFeel Shade™: 79°
• Wind: SSW 10 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 15 mph
• Humidity: 40%
• Indoor Humidity: 40% (Slightly Humid)
• Dew Point: 58° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 99%
• Rain: 0.05 in
• Visibility: 5 mi
• Cloud Ceiling: 4000 ft

6 PM

83° RealFeel® 81° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 47% Cloudy

• RealFeel Shade™: 81°
• Wind: SSW 9 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 12 mph
• Humidity: 42%
• Indoor Humidity: 42% (Slightly Humid)
• Dew Point: 58° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 99%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

82° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 43% Cloudy

• RealFeel Shade™: 80°
• Wind: SSW 8 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 10 mph
• Humidity: 42%
• Indoor Humidity: 42% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 99%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

80° RealFeel® 77° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 47% Partly sunny

• RealFeel Shade™: 77°
• Wind: SSW 8 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 9 mph
• Humidity: 45%
• Indoor Humidity: 45% (Slightly Humid)
• Dew Point: 57° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

77° RealFeel® 72° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 51% Partly cloudy w/ t-storms

• Wind: SSW 7 mph
• Air Quality: Fair
• Wind Gusts: 9 mph
• Humidity: 52%
• Indoor Humidity: 52% (Slightly Humid)
• Dew Point: 58° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 30000 ft

10 PM

75° RealFeel® 72° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 47% Partly cloudy

• Wind: SSW 7 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 57%
• Indoor Humidity: 57% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

74° RealFeel® 72° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 28% Partly cloudy

• Wind: SSW 7 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 58%
• Indoor Humidity: 58% (Slightly Humid)
• Dew Point: 59° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 35%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft