National Harbor, MD

Hourly

4 PM

84° RealFeel® 91° 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 70% Showers

• RealFeel Shade™: 88°
• Heat Index: 90°
• Wind: NW 6 mph
• Air Quality: Fair
• Max UV Index: 1.4 (Low)
• Wind Gusts: 7 mph
• Humidity: 67%
• Indoor Humidity: 67% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 99%
• Visibility: 10 mi
• Cloud Ceiling: 18500 ft

5 PM

85° RealFeel® 91° 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 40% Cloudy

• RealFeel Shade™: 89°
• Heat Index: 91°
• Wind: WNW 6 mph
• Air Quality: Fair
• Max UV Index: 1.1 (Low)
• Wind Gusts: 7 mph
• Humidity: 64%
• Indoor Humidity: 64% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 14600 ft

6 PM

86° 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 34% Cloudy

• RealFeel Shade™: 90°
• Heat Index: 91°
• Wind: WNW 6 mph
• Air Quality: Fair
• Max UV Index: 0.7 (Low)
• Wind Gusts: 7 mph
• Humidity: 61%
• Indoor Humidity: 61% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 14600 ft

7 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 24% Cloudy

• RealFeel Shade™: 88°
• Heat Index: 89°
• Wind: WNW 6 mph
• Air Quality: Fair
• Max UV Index: 0.3 (Low)
• Wind Gusts: 6 mph
• Humidity: 64%
• Indoor Humidity: 64% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 14600 ft

8 PM

81° 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 6% Cloudy

• RealFeel Shade™: 86°
• Heat Index: 85°
• Wind: NNE 6 mph
• Air Quality: Fair
• Max UV Index: 0.0 (Low)
• Wind Gusts: 6 mph
• Humidity: 71%
• Indoor Humidity: 71% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 90%
• Visibility: 10 mi
• Cloud Ceiling: 14700 ft

9 PM

79° 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 6% Mostly cloudy

• Heat Index: 80°
• Wind: NNE 5 mph
• Air Quality: Poor
• Wind Gusts: 6 mph
• Humidity: 77%
• Indoor Humidity: 77% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 81%
• Visibility: 10 mi
• Cloud Ceiling: 19800 ft

10 PM

76° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 6% Intermittent clouds

• Wind: NNE 5 mph
• Air Quality: Poor
• Wind Gusts: 5 mph
• Humidity: 84%
• Indoor Humidity: 84% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 71%
• Visibility: 10 mi
• Cloud Ceiling: 24900 ft

11 PM

74° RealFeel® 77° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 6% Intermittent clouds

• Wind: NNE 5 mph
• Air Quality: Poor
• Wind Gusts: 5 mph
• Humidity: 89%
• Indoor Humidity: 89% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 65%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft