Weather in Ashburn, United States
Weather Advisories
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Today's weather summary
The weather in Ashburn on Friday, September 29th, will be cloudy for most of the day.
Also, there's a high chance of few clouds during the night, at about 11 pm.
Weather details for Ashburn, on Friday, September 29th:
The maximum temperature during the day will be 68°F around 4 pm. The day will have very high relative humidity, with average humidity of 85%, ranging from 78% to a maximum value of 89% at about 11 pm. The wind will be light, and will get up to 10 mph at 4 pm, blowing from the north. The cloud coverage will range from 29% around 11 pm to as high as 100% around 10 pm with an average of 96%.
The chances of precipitation throughout the day will change between 0% and 5%. The highest chance for precipitation will be around 10 am and the lowest probability around midnight. The dew point will range from 57°F up to a maximum value of 61°F around 9 pm.
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 1021 hPa. Sunrise will be at 7:03 am, and sunset at 6:56 pm, making it a total of 11 hours and 53 minutes of daylight.
Air quality forecast for Ashburn, on Friday, September 29th:
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 22 and 47.
Pollen forecast for Ashburn, on Friday, September 29th:
Tree pollen on this day is expected to have no risk. There's low risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in Ashburn on Saturday, September 30th, is going to be cloudy throughout the day, together with few clouds during the evening.
There is also a chance for clear skies before dawn at about 12 am.
Weather details for Ashburn, on Saturday, September 30th:
The highest temperature of the day will be 71°F around 6 pm. The day will have very high relative humidity, with average humidity of 83%, ranging from 71% to a maximum value of 90% at about midnight. The wind will be breezy, and will get up to 11 mph at 1 pm, blowing from the north. The cloud coverage will range from 7% around midnight to as high as 100% around 4 pm with an average of 78%.
There is no probability for any precipitation throughout the day. The dew point will range from 59°F up to a maximum value of 62°F around 5 pm.
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 1021 hPa. Sunrise will be at 7:04 am, and sunset at 6:55 pm, making it a total of 11 hours and 51 minutes of daylight.
Air quality forecast for Ashburn, on Saturday, September 30th:
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 20 and 45.
Pollen forecast for Ashburn, on Saturday, September 30th:
Tree pollen on this day is expected to have no risk. There's medium risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
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