Reston, VA

Hourly

11 AM

79° 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 20% Mostly sunny

• RealFeel Shade™: 80°
• Heat Index: 80°
• Wind: NW 6 mph
• Air Quality: Fair
• Max UV Index: 6.9 (High)
• Wind Gusts: 9 mph
• Humidity: 69%
• Indoor Humidity: 69% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 16%
• Visibility: 10 mi
• Cloud Ceiling: 33400 ft

12 PM

82° 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 20% Mostly sunny

• RealFeel Shade™: 83°
• Heat Index: 85°
• Wind: NW 6 mph
• Air Quality: Fair
• Max UV Index: 9.1 (Very High)
• Wind Gusts: 10 mph
• Humidity: 60%
• Indoor Humidity: 60% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 10%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

1 PM

84° 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 15% Mostly sunny

• RealFeel Shade™: 85°
• Heat Index: 87°
• Wind: NW 6 mph
• Air Quality: Fair
• Max UV Index: 10.1 (Very High)
• Wind Gusts: 8 mph
• Humidity: 56%
• Indoor Humidity: 56% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 10%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

86° 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 5% Intermittent clouds

• RealFeel Shade™: 86°
• Heat Index: 88°
• Wind: NW 6 mph
• Air Quality: Fair
• Max UV Index: 6.2 (High)
• Wind Gusts: 7 mph
• Humidity: 53%
• Indoor Humidity: 53% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 65%
• Visibility: 10 mi
• Cloud Ceiling: 14700 ft

3 PM

87° 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 5% Intermittent clouds

• RealFeel Shade™: 88°
• Heat Index: 90°
• Wind: WNW 6 mph
• Air Quality: Poor
• Max UV Index: 4.8 (Moderate)
• Wind Gusts: 7 mph
• Humidity: 50%
• Indoor Humidity: 50% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 19800 ft

4 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 6% Intermittent clouds

• RealFeel Shade™: 87°
• Heat Index: 89°
• Wind: W 6 mph
• Air Quality: Poor
• Max UV Index: 3.7 (Moderate)
• Wind Gusts: 7 mph
• Humidity: 52%
• Indoor Humidity: 52% (Humid)
• Dew Point: 66° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 68%
• Visibility: 10 mi
• Cloud Ceiling: 24900 ft

5 PM

85° 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 7% Intermittent clouds

• RealFeel Shade™: 86°
• Heat Index: 88°
• Wind: WSW 6 mph
• Air Quality: Poor
• Max UV Index: 2.9 (Moderate)
• Wind Gusts: 7 mph
• Humidity: 53%
• Indoor Humidity: 53% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 65%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 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 7% Intermittent clouds

• RealFeel Shade™: 85°
• Heat Index: 87°
• Wind: SSW 6 mph
• Air Quality: Poor
• Max UV Index: 1.9 (Low)
• Wind Gusts: 7 mph
• Humidity: 56%
• Indoor Humidity: 56% (Very Humid)
• Dew Point: 67° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 63%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

82° 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 10% Intermittent clouds

• RealFeel Shade™: 85°
• Heat Index: 85°
• Wind: SSE 6 mph
• Air Quality: Poor
• Max UV Index: 0.9 (Low)
• Wind Gusts: 9 mph
• Humidity: 62%
• Indoor Humidity: 62% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

80° 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 15% Intermittent clouds

• RealFeel Shade™: 82°
• Heat Index: 83°
• Wind: NNW 6 mph
• Air Quality: Fair
• Max UV Index: 0.1 (Low)
• Wind Gusts: 8 mph
• Humidity: 67%
• Indoor Humidity: 67% (Very Humid)
• Dew Point: 68° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 65%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

78° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 15% Intermittent clouds

• Wind: N 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 74%
• Indoor Humidity: 74% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 63%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

75° RealFeel® 77° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 19% Intermittent clouds

• Wind: E 6 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 82%
• Indoor Humidity: 82% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

72° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 43% Intermittent clouds

• Wind: SE 5 mph
• Air Quality: Poor
• Wind Gusts: 6 mph
• Humidity: 90%
• Indoor Humidity: 90% (Very Humid)
• Dew Point: 69° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 65%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft