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Hawaii braces for Tropical Storm Lala, rare landfall possible. Click for the forecast.

National Harbor, MD

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National Harbor, MD Weather

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12 PM

85°

RealFeel® 93°

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.

41%

Showers

RealFeel Shade™89°

Heat Index91°

WindNE 5 mph

Air QualityPoor

Max UV Index2.0 (Low)

Wind Gusts6 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility6 mi

Cloud Ceiling7000 ft

1 PM

86°

RealFeel® 97°

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.

39%

Cloudy

RealFeel Shade™91°

Heat Index93°

WindN 5 mph

Air QualityPoor

Max UV Index3.5 (Moderate)

Wind Gusts6 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14600 ft

2 PM

87°

RealFeel® 93°

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.

64%

Showers

RealFeel Shade™90°

Heat Index94°

WindNNW 5 mph

Air QualityPoor

Max UV Index2.1 (Low)

Wind Gusts6 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

3 PM

86°

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.

64%

Showers

RealFeel Shade™89°

Heat Index93°

WindNW 6 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts7 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.02 in

Visibility6 mi

Cloud Ceiling3900 ft

4 PM

85°

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.

49%

Cloudy

RealFeel Shade™90°

Heat Index91°

WindWNW 6 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts7 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14600 ft

5 PM

84°

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.

34%

Cloudy

RealFeel Shade™88°

Heat Index89°

WindWNW 6 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts7 mph

Humidity64%

Indoor Humidity64% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14600 ft

6 PM

83°

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.

34%

Cloudy

RealFeel Shade™88°

Heat Index87°

WindWNW 6 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts7 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14600 ft

7 PM

82°

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.

24%

Cloudy

RealFeel Shade™86°

Heat Index86°

WindWNW 6 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts6 mph

Humidity68%

Indoor Humidity68% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14600 ft

8 PM

80°

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.

6%

Cloudy

RealFeel Shade™84°

Heat Index84°

WindNNE 6 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity74%

Indoor Humidity74% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

78°

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.

6%

Mostly cloudy

WindNNE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover81%

Visibility10 mi

Cloud Ceiling19800 ft

10 PM

76°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

6%

Intermittent clouds

WindNNE 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover71%

Visibility10 mi

Cloud Ceiling24900 ft

11 PM

74°

RealFeel® 77°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

6%

Intermittent clouds

WindNNE 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for National Harbor

AccuWeather's hourly forecast for National Harbor provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 85° with a RealFeel® of 93°, showers with a 41% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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