Weather in Ashburn, United States
Weather Advisories
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Tomorrow's weather summary
The weather in Ashburn on Friday, September 13th, is going to be cloudy throughout the day, with few clouds in the early morning.
There is also a chance for fog during the morning at about 9 am.
Weather information for Ashburn, on Friday, September 13th:
The maximum temperature of the day will be 81°F around 4 pm. The day will have very high relative humidity, with average humidity of 75%, ranging from 48% to a maximum value of 92% at about 4 am. The wind will be light, and will get up to 8 mph at 4 pm, blowing from the east. The cloud coverage will range from 17% around 7 am to as high as 100% around 11 pm with an average of 93%.
There is no probability for any precipitation throughout the day. The dew point will range from 57°F up to a maximum value of 64°F around noon.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be high with average pressure of 1023 hPa. Sunrise will be at 6:50 am, and sunset at 7:21 pm, making it a total of 12 hours and 31 minutes of daylight.
Air quality forecast for Ashburn, on Friday, September 13th:
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 43 and 56.
Pollen forecast for Ashburn, on Friday, September 13th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's very low risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
The weather in Ashburn on Saturday, September 14th, is going to be cloudy throughout the day, with some clouds before dawn.
There is also a chance for few clouds in the afternoon at about 5 pm.
Weather information for Ashburn, on Saturday, September 14th:
The highest temperature of the day is going to be 82°F around 3 pm. The day will have very high relative humidity, with average humidity of 74%, ranging from 38% to a maximum value of 100% at about 7 am. The wind will be light, and will get up to 8 mph at 5 pm, blowing from the east. The cloud coverage will range from 1% around 9 pm to as high as 100% around 1 pm with an average of 59%.
There is no probability for any precipitation throughout the day. The dew point will range from 53°F up to a maximum value of 65°F around 10 am.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be high with average pressure of 1022 hPa. Sunrise will be at 6:51 am, and sunset at 7:20 pm, making it a total of 12 hours and 29 minutes of daylight.
Air quality forecast for Ashburn, on Saturday, September 14th:
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 38 and 87.
Pollen forecast for Ashburn, on Saturday, September 14th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's very low risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.