Weather in National Harbor, United States
Weather Advisories
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Today's weather summary
The weather in National Harbor on Wednesday, April 24th, will be cloudy for most of the day, together with clear skies around noon.
There's seems to be also high probability of few clouds before dawn at about 1 am.
Weather information for National Harbor, on Wednesday, April 24th:
The maximum temperature during the day will be 73°F around 2 pm. The day will be dry, with average humidity of 44%, ranging from 31% to a maximum value of 57% at about 7 am. The wind will be breezy, and will get up to 14 mph at 3 pm, blowing from the north-west. The cloud coverage will range from 0% around 7 pm to as high as 100% around 11 am with an average of 55%.
There is no probability for any precipitation throughout the day. The dew point will range from 38°F up to a maximum value of 46°F around 11 am.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1013 hPa. Sunrise will be at 6:21 am, and sunset at 7:51 pm, making it a total of 13 hours and 30 minutes of daylight.
Air quality forecast for National Harbor, on Wednesday, April 24th:
On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 35 and 94.
Pollen forecast for National Harbor, on Wednesday, April 24th:
Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
The weather in National Harbor on Thursday, April 25th, is going to be clear throughout the day, with few clouds before dawn.
There is also a chance for some clouds around noon at about 11 am.
Weather details for National Harbor, on Thursday, April 25th:
The maximum temperature of the day is going to be 62°F around 5 pm. The day will have comfortable humidity, with average humidity of 51%, ranging from 36% to a maximum value of 69% at about 3 am. The wind will be breezy, and will get up to 11 mph at 9 am, blowing from the north-east. The cloud coverage will range from 0% around midnight to as high as 100% around 10 pm with an average of 31%.
There is no probability for any precipitation throughout the day. The dew point will range from 28°F up to a maximum value of 43°F around midnight.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1024 hPa. Sunrise will be at 6:19 am, and sunset at 7:51 pm, making it a total of 13 hours and 32 minutes of daylight.
Air quality forecast for National Harbor, on Thursday, April 25th:
On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 28 and 51.
Pollen forecast for National Harbor, on Thursday, April 25th:
Tree pollen on this day is expected to have very high risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
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