Weather in Fairfax County, United States
Weather Advisories
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Today's weather summary
The weather in Fairfax County on Sunday, July 26th, will be mostly clear throughout the day, together with clear skies during the morning.
There's seems to be also high probability of some clouds during the morning at about 8 am.
Weather information for Fairfax County, on Sunday, July 26th:
The maximum temperature of the day will be 30°C at about 5 pm. The day will have very high relative humidity, with average humidity of 71%, ranging from 44% to a maximum value of 95% at about 5 am. The wind will be light, and will get up to 9 km/h at 1 am, blowing from the south-west. The cloud coverage will range from 2% around 11 pm to as high as 99% around 8 pm with an average of 32%.
There is no probability for any precipitation throughout the day. The dew point will range from 16°C up to a maximum value of 21°C around noon.
The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1013 hPa. Sunrise will be at 6:04 am, and sunset at 8:26 pm. The day will have 14 hours and 22 minutes of daylight.
Air quality forecast for Fairfax County, on Sunday, July 26th:
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 27 and 70.
Pollen forecast for Fairfax County, on Sunday, July 26th:
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 Fairfax County on Monday, July 27th, is going to be cloudy for most of the day, together with few clouds before dawn.
There is also a chance for clear skies before dawn around 12 am.
Weather details for Fairfax County, on Monday, July 27th:
The maximum temperature during the day will be 31°C around 3 pm. The day will be extremely humid, with average humidity of 73%, ranging from 47% to a maximum value of 92% at about 7 am. The wind will be breezy, and will get up to 20 km/h at 8 pm, blowing from the south-west. The cloud coverage will range from 2% around midnight to as high as 100% around 8 pm with an average of 71%.
The chances of precipitation throughout the day will change between 0% and 20%. The highest chance for precipitation will be around 8 pm and the lowest probability around midnight. The dew point will range from 17°C up to a maximum value of 20°C around 10 am.
The visibility is expected to be good with average visibility of 15 km throughout the day. Atmospheric pressure will be normal with average pressure of 1009 hPa. Sunrise will be at 6:05 am, and sunset at 8:25 pm. The day will have 14 hours and 20 minutes of daylight.
Air quality forecast for Fairfax County, on Monday, July 27th:
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 71 and 82.
Pollen forecast for Fairfax County, on Monday, July 27th:
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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