10-Day Weather Forecast for National Harbor (MD)

Six-hourly outlook through Thursday 10 September. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Tuesday
1 Sep
Partly cloudy
34°C (93°F)
0.1 mm (0 in)
Rain showers
31°C (88°F)
2.4 mm (0.1 in)
Hourly ›
Wednesday
2 Sep
Partly cloudy
23°C (73°F)
0 mm (0 in)
Cloudy
24°C (75°F)
0.1 mm (0 in)
Partly cloudy
30°C (86°F)
0.1 mm (0 in)
Light rain showers
26°C (79°F)
0.5 mm (0.02 in)
Hourly ›
Thursday
3 Sep
Cloudy
23°C (73°F)
0.1 mm (0 in)
Partly cloudy
25°C (77°F)
0 mm (0 in)
Partly cloudy
34°C (93°F)
0.4 mm (0.02 in)
Mostly clear
29°C (84°F)
0 mm (0 in)
Hourly ›
Friday
4 Sep
Clear skies
26°C (79°F)
0 mm (0 in)
Mostly sunny
27°C (81°F)
0.1 mm (0 in)
Rain
35°C (95°F)
4.9 mm (0.2 in)
Partly cloudy
25°C (77°F)
0 mm (0 in)
Hourly ›
Saturday
5 Sep
Mostly clear
24°C (75°F)
0 mm (0 in)
Clear skies
23°C (73°F)
0 mm (0 in)
Mostly sunny
29°C (84°F)
0 mm (0 in)
Partly cloudy
25°C (77°F)
0 mm (0 in)
Hourly ›
Sunday
6 Sep
Partly cloudy
21°C (70°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0 mm (0 in)
Partly cloudy
29°C (84°F)
0 mm (0 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Hourly ›
Monday
7 Sep
Clear skies
20°C (68°F)
0 mm (0 in)
Mostly sunny
21°C (70°F)
0 mm (0 in)
Cloudy
31°C (88°F)
0 mm (0 in)
Clear skies
26°C (79°F)
0 mm (0 in)
Hourly ›
Tuesday
8 Sep
Clear skies
21°C (70°F)
0 mm (0 in)
Clear skies
21°C (70°F)
0 mm (0 in)
Cloudy
33°C (91°F)
0 mm (0 in)
Mostly clear
28°C (82°F)
0 mm (0 in)
Hourly ›
Wednesday
9 Sep
Mostly clear
23°C (73°F)
0 mm (0 in)
Mostly sunny
23°C (73°F)
0 mm (0 in)
Cloudy
35°C (95°F)
0 mm (0 in)
Partly cloudy
31°C (88°F)
0 mm (0 in)
Hourly ›
Thursday
10 Sep
Clear skies
26°C (79°F)
0 mm (0 in)
Clear skies
26°C (79°F)
0 mm (0 in)
Clear skies
40°C (104°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in National Harbor this week?

Today's weather - Tuesday 1 Sep

For the rest of Tuesday the predicted weather in National Harbor is partly cloudy with some rain during the evening. The temperature will be around 34°C (93°F).

Tomorrow's weather - Wednesday 2 Sep

The forecast for National Harbor on Wednesday is partly cloudy with some rain during the evening. The maximum predicted temperature is a very warm 30°C (86°F), while the minimum temperature is a warm 23°C (73°F).

10-Day Weather Forecast

During the next 10 days, temperatures will reach 35°C (95°F) on Friday before declining again, with average highs of 32°C (90°F) and lows of 23°C (73°F). Compared to typical September conditions, these temperatures are a bit warmer than usual. There will be plenty of sunshine throughout this time. Precipitation levels will be less than usual (versus normal September rainfall), with mostly dry conditions. Precipitation is expected on roughly 2 days (Tue, Fri). The wind will be generally calm during this period.

Weather Forecast FAQ for National Harbor

When will be the warmest day next week?

The warmest day is expected to be Friday with a high of 35°C (95°F).

When will be the coldest day?

The coldest day is forecasted for Sunday with a low of 20°C (68°F).

Will it rain next week in National Harbor?

Yes, rain is expected on 2 days , specifically on Tue, Fri.

How much rainfall is expected next week?

A total of 9 mm (0.4 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 20°C (68°F) to 35°C (95°F).

More about National Harbor

Explore the full National Harbor climate overview with monthly averages, or check rainfall data and temperature by month.

National Harbor weather by month

Browse monthly averages for National Harbor: climate by month with temperature, rainfall and sunshine.

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