McLean, VA

Hourly

4 PM

91° RealFeel® 99° 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 51% Thunderstorms

• RealFeel Shade™: 95°
• Wind: E 6 mph
• Air Quality: Poor
• Max UV Index: 3 (Moderate)
• Wind Gusts: 8 mph
• Humidity: 56%
• Indoor Humidity: 56% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 82%
• Rain: 0.05 in
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

90° RealFeel® 100° 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 14% Partly sunny

• RealFeel Shade™: 95°
• Wind: E 6 mph
• Air Quality: Poor
• Max UV Index: 3 (Moderate)
• Wind Gusts: 8 mph
• Humidity: 56%
• Indoor Humidity: 56% (Extremely Humid)
• Dew Point: 73° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 49%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

89° 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 10% Partly sunny

• RealFeel Shade™: 93°
• Wind: ESE 6 mph
• Air Quality: Poor
• Max UV Index: 2 (Low)
• Wind Gusts: 8 mph
• Humidity: 57%
• Indoor Humidity: 57% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

87° 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 14% Partly sunny

• RealFeel Shade™: 91°
• Wind: ESE 6 mph
• Air Quality: Poor
• Max UV Index: 1 (Low)
• Wind Gusts: 8 mph
• Humidity: 59%
• Indoor Humidity: 59% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 49%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

84° 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 51% Mostly cloudy w/ t-storms

• RealFeel Shade™: 85°
• Wind: SE 6 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 8 mph
• Humidity: 67%
• Indoor Humidity: 67% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 70%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 4000 ft

9 PM

81° 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 47% Intermittent clouds

• Wind: SE 6 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 74%
• Indoor Humidity: 74% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

78° RealFeel® 83° 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 40% Intermittent clouds

• Wind: SE 6 mph
• Air Quality: Fair
• Wind Gusts: 9 mph
• Humidity: 81%
• Indoor Humidity: 81% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

76° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 32% Intermittent clouds

• Wind: ESE 6 mph
• Air Quality: Fair
• Wind Gusts: 9 mph
• Humidity: 86%
• Indoor Humidity: 86% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft