Weather Alert
National Harbor Weather Warning NWS WEATHER ALERT FOR THE NATIONAL HARBOR, MD AREA - Issued: 452 AM EDT Sun Aug 16 2026 National Harbor Weather Warning

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National Harbor, MD Weather - Hour by Hour Forecast

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National Harbor, MD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 79°F26°C, dew point 68°F20°C, humidity 69%. Wind direction is S at 14 mph23 km/h with visibility of 10 mi16 km. Barometric pressure is 30.06 in1018 mb.
Today - Numerous showers with isolated thunderstorms this morning, then numerous showers and scattered thunderstorms this afternoon. Some .. Full Forecast
Tonight - Scattered thunderstorms. Showers, mainly in the evening. Some thunderstorms May produce heavy rainfall. Lows in the lower 70s. Sou.. Full Forecast

National Harbor Hourly Weather

24 Hour Forecast Scroll
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National Harbor, MD Hourly Weather - Cloudy - 12:00 PM National Harbor, MD Hourly Weather - Cloudy - 1:00 PM National Harbor, MD Hourly Weather - Cloudy - 2:00 PM National Harbor, MD Hourly Weather - Cloudy - 3:00 PM National Harbor, MD Hourly Weather - Cloudy - 4:00 PM National Harbor, MD Hourly Weather - Cloudy - 5:00 PM National Harbor, MD Hourly Weather - Cloudy - 6:00 PM National Harbor, MD Hourly Weather - Cloudy - 7:00 PM National Harbor, MD Hourly Weather - Cloudy - 8:00 PM National Harbor, MD Hourly Weather - Cloudy - 9:00 PM National Harbor, MD Hourly Weather - Cloudy - 10:00 PM National Harbor, MD Hourly Weather - Cloudy - 11:00 PM National Harbor, MD Hourly Weather - Cloudy - 12:00 AM National Harbor, MD Hourly Weather - Cloudy - 1:00 AM National Harbor, MD Hourly Weather - Cloudy - 2:00 AM National Harbor, MD Hourly Weather - Cloudy - 3:00 AM National Harbor, MD Hourly Weather - Mostly Cloudy - 4:00 AM National Harbor, MD Hourly Weather - Mostly Cloudy - 5:00 AM National Harbor, MD Hourly Weather - Mostly Cloudy - 6:00 AM National Harbor, MD Hourly Weather - Mostly Cloudy - 7:00 AM National Harbor, MD Hourly Weather - Mostly Cloudy - 8:00 AM National Harbor, MD Hourly Weather - Mostly Cloudy - 9:00 AM National Harbor, MD Hourly Weather - Mostly Cloudy - 10:00 AM National Harbor, MD Hourly Weather - Mostly Cloudy - 11:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
80°F27°C 80°F27°C 81°F27°C 81°F27°C 80°F27°C 80°F27°C 79°F26°C 77°F25°C 76°F24°C 76°F24°C 77°F25°C 77°F25°C 77°F25°C 77°F25°C 77°F25°C 77°F25°C 76°F24°C 76°F24°C 77°F25°C 77°F25°C 78°F26°C 81°F27°C 83°F28°C 86°F30°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - -
61% 61% 61% 77% 77% 77% 77% 77% 77% 70% 70% 70% 70% 70% 70% 22% 22% 22% 22% 22% 22% 7% 7% 7%
71°F22°C 72°F22°C 73°F23°C 73°F23°C 74°F23°C 74°F23°C 74°F23°C 75°F24°C 75°F24°C 74°F23°C 74°F23°C 73°F23°C 73°F23°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 73°F23°C 73°F23°C
74% 77% 77% 77% 82% 82% 85% 94% 97% 94% 91% 88% 88% 85% 85% 85% 87% 87% 85% 85% 82% 74% 72% 65%
S S S S S S S S S S S S SSE SSE SW SW SW SW SSW SSW W WNW NW NW
9 mph 12 mph 12 mph 12 mph 10 mph 10 mph 10 mph 8 mph 8 mph 8 mph 7 mph 7 mph 7 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 10 mph 10 mph
6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (EDT)
Weather
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POP = Probability of Precipitation. ** Indicates missing data/values from KDCA model statistics.

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Prob Precip % = Probability of Precipitation.

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POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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