National Harbor, MD Weather Forecast and Current Conditions

WEATHER ALERTS - Winter Weather Advisory

Current Conditions From Nearby Local Station

Mostly Cloudy 44°F
Feels Like 41°F  
Humidity 47% Dew Point 25°F Wind NW 6 MPH Gusts 12 Barometer 30.2 in.
Report from a MADIS/MESONET weather station 0.9 mi. N of central National Harbor
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Point Forecast at a Glance

ThuDec 4
Thu Dec 4: Snow, Low 23F
60%
 
23
FriDec 5
Fri Dec 5: Snow, High 34F, Low 27F
80%
34
27
SatDec 6
Sat Dec 6: Partly Sunny, High 43F, Low 28F
43
28
SunDec 7
Sun Dec 7: Partly Sunny, High 44F, Low 28F
44
28
MonDec 8
Mon Dec 8: Mostly Sunny, High 37F, Low 20F
37
20
TueDec 9
Tue Dec 9: Mostly Sunny, High 39F, Low 30F
39
30
WedDec 10
Wed Dec 10: Mostly Cloudy, High 46F, Low 35F
46
35

7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 34°F to 46°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 6°F below the historical average for December. Normal highs for this period are around 47°F with lows around 30°F.

This Date in Weather History

1786 - The first of two great early December storms began. The storm produced 18 inches of snow at Morristown NJ, and twenty inches of snow at New Haven CT. It also resulted in high tides at Nantucket which did great damage.

More on this and other weather history

National Harbor, MD 7 Day Weather Forecast Details

Thursday Dec 4

Snow

Night: Snow likely, mainly after 4am. Increasing clouds, with a low around 23. Northwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Friday Dec 5

Snow

Day: Snow before 11am, then a chance of snow and freezing rain. High near 34. Light east wind. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

Snow

Night: A slight chance of snow and freezing rain before 10pm, then a slight chance of snow between 10pm and 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 20%.

Saturday Dec 6

Partly Sunny

Day: Partly sunny, with a high near 43. Light southwest wind.

Partly Cloudy

Night: Partly cloudy, with a low around 28. Calm wind.

Sunday Dec 7

Partly Sunny

Day: Partly sunny, with a high near 44.

Mostly Cloudy

Night: Mostly cloudy, with a low around 28.

Monday Dec 8

Mostly Sunny

Day: Mostly sunny, with a high near 37.

Mostly Clear

Night: Mostly clear, with a low around 20.

Tuesday Dec 9

Mostly Sunny

Day: Mostly sunny, with a high near 39.

Mostly Cloudy

Night: Mostly cloudy, with a low around 30.

Wednesday Dec 10

Mostly Cloudy

Day: Mostly cloudy, with a high near 46.

Rain

Night: A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

Thursday Dec 11

Rain

Day: A chance of rain. Partly sunny, with a high near 46. Chance of precipitation is 30%.


About National Harbor, MD

National Harbor is a census-designated place (CDP) in Prince George's County, Maryland, United States, located along the Potomac River near the Woodrow Wilson Bridge and just south of Washington, D.C. It originated as a 300-acre (1.2 km2) multi-use waterfront development. The population was 5,509 at the 2020 census. The developer, Peterson Companies, says National Harbor draws 12 million visitors annually, as of 2025.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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