Reston, VA

Hourly

1 PM

91° RealFeel® 104° Very Hot RealFeel Guide Very Hot 101° to 107° Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 18% Intermittent clouds

• RealFeel Shade™: 96°
• Heat Index: 99°
• Wind: W 7 mph
• Air Quality: Fair
• Max UV Index: 8.4 (Very High)
• Wind Gusts: 9 mph
• Humidity: 54%
• Indoor Humidity: 54% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 50%
• Visibility: 10 mi
• Cloud Ceiling: 20000 ft

2 PM

93° RealFeel® 104° Very Hot RealFeel Guide Very Hot 101° to 107° Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 34% Partly sunny

• RealFeel Shade™: 96°
• Heat Index: 99°
• Wind: W 8 mph
• Air Quality: Fair
• Max UV Index: 8.3 (Very High)
• Wind Gusts: 10 mph
• Humidity: 49%
• Indoor Humidity: 49% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

94° RealFeel® 104° Very Hot RealFeel Guide Very Hot 101° to 107° Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 34% Partly sunny

• RealFeel Shade™: 97°
• Heat Index: 101°
• Wind: WSW 8 mph
• Air Quality: Fair
• Max UV Index: 6.2 (High)
• Wind Gusts: 12 mph
• Humidity: 47%
• Indoor Humidity: 47% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 29900 ft

4 PM

93° RealFeel® 101° Very Hot RealFeel Guide Very Hot 101° to 107° Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 40% Partly sunny

• RealFeel Shade™: 96°
• Heat Index: 100°
• Wind: WSW 8 mph
• Air Quality: Fair
• Max UV Index: 4.3 (Moderate)
• Wind Gusts: 13 mph
• Humidity: 49%
• Indoor Humidity: 49% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 29900 ft

5 PM

91° RealFeel® 96° 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 56% Partly sunny w/ t-storms

• RealFeel Shade™: 93°
• Heat Index: 99°
• Wind: SW 8 mph
• Air Quality: Fair
• Max UV Index: 2.7 (Moderate)
• Wind Gusts: 14 mph
• Humidity: 58%
• Indoor Humidity: 58% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Rain: 0.07 in
• Visibility: 5 mi
• Cloud Ceiling: 29900 ft

6 PM

88° RealFeel® 94° 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% Partly sunny

• RealFeel Shade™: 92°
• Heat Index: 95°
• Wind: SW 7 mph
• Air Quality: Fair
• Max UV Index: 1.8 (Low)
• Wind Gusts: 12 mph
• Humidity: 58%
• Indoor Humidity: 58% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 29900 ft

7 PM

86° 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 44% Partly sunny

• RealFeel Shade™: 92°
• Heat Index: 92°
• Wind: SSW 7 mph
• Air Quality: Fair
• Max UV Index: 0.8 (Low)
• Wind Gusts: 12 mph
• Humidity: 62%
• Indoor Humidity: 62% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 29900 ft

8 PM

83° 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™: 89°
• Heat Index: 89°
• Wind: SSW 6 mph
• Air Quality: Fair
• Max UV Index: 0.0 (Low)
• Wind Gusts: 9 mph
• Humidity: 72%
• Indoor Humidity: 72% (Extremely Humid)
• Dew Point: 73° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 19300 ft

9 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 34% Intermittent clouds

• Heat Index: 83°
• Wind: SSW 6 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 79%
• Indoor Humidity: 79% (Extremely Humid)
• Dew Point: 73° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 22900 ft

10 PM

76° RealFeel® 81° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 40% Intermittent clouds

• Wind: SW 6 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 86%
• Indoor Humidity: 86% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 4000 ft

11 PM

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

• Wind: SW 6 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 95%
• Indoor Humidity: 95% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Rain: 0.15 in
• Visibility: 4 mi
• Cloud Ceiling: 2000 ft