Weather in Ashburn, United States
Weather Advisories
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Today's weather summary
The weather in Ashburn on Friday, December 13th, is going to be clear for most of the day, together with cloud overcast around noon.
There is also a chance for few clouds during the morning at about 10 am.
Weather information for Ashburn, on Friday, December 13th:
The maximum temperature during the day is going to be 40°F at about 3 pm. The day will have high relative humidity, with average humidity of 63%, ranging from 50% to a maximum value of 78% at about 8 pm. The wind will be light, and will get up to 6 mph at 6 pm, blowing from the north-west. The cloud coverage will range from 0% around midnight to as high as 100% around 11 pm with an average of 37%.
There is no probability for any precipitation throughout the day. The dew point will range from 18°F up to a maximum value of 26°F around 7 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be extremely high with average pressure of 1037 hPa. Sunrise will be at 7:08 am, and sunset at 5:00 pm, making it a total of 9 hours and 52 minutes of daylight.
Air quality forecast for Ashburn, on Friday, December 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 29 and 68.
Pollen forecast for Ashburn, on Friday, December 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 no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
The weather in Ashburn on Saturday, December 14th, will be cloudy throughout the day, together with clear skies before dawn.
There's seems to be also high probability of few clouds during the morning at about 9 am.
Weather details for Ashburn, on Saturday, December 14th:
The maximum temperature of the day will be 37°F at about 1 pm. The day will have high relative humidity, with average humidity of 63%, ranging from 43% to a maximum value of 74% at about midnight. The wind will be light, and will get up to 6 mph at 11 am, blowing from the east. The cloud coverage will range from 1% around 7 am to as high as 100% around 11 pm with an average of 60%.
There is no probability for any precipitation throughout the day. The dew point will range from 17°F up to a maximum value of 24°F around midnight.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be extremely high with average pressure of 1044 hPa. Sunrise will be at 7:09 am, and sunset at 5:00 pm, making it a total of 9 hours and 51 minutes of daylight.
Air quality forecast for Ashburn, on Saturday, December 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 42 and 67.
Pollen forecast for Ashburn, on Saturday, December 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 no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.
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