Weather in Fairfax, United States
Weather Advisories
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Today's weather summary
The weather in Fairfax on Thursday, April 18th, will change throughout the day from lightly foggy weather to clear.
According to our models light fog will appear during the night and a high probability for clear skies before dawn.
Weather information for Fairfax, on Thursday, April 18th:
The highest temperature of the day is going to be 68°F around 2 pm. The day will have very high relative humidity, with average humidity of 73%, ranging from 58% to a maximum value of 86% at about 7 am. The wind will be light, and will get up to 9 mph at 4 pm, blowing from the north-west. The cloud coverage will range from 0% around midnight to as high as 100% around 10 pm with an average of 53%.
There is no probability for any precipitation throughout the day. The dew point will range from 46°F up to a maximum value of 53°F around 10 am.
The visibility is expected to be good with average visibility of 9 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1014 hPa. Sunrise will be at 6:30 am, and sunset at 7:45 pm. The day will have 13 hours and 15 minutes of daylight.
Air quality forecast for Fairfax, on Thursday, April 18th:
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 56 and 115.
Pollen forecast for Fairfax, on Thursday, April 18th:
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 no risk.
The weather in Fairfax on Friday, April 19th, will vary throughout the day from lightly foggy weather to clear.
According to our models light fog will emerge before dawn and a high probability for clear skies around noon.
Weather details for Fairfax, on Friday, April 19th:
The maximum temperature of the day will be 61°F around 2 pm. The day will have very high relative humidity, with average humidity of 80%, ranging from 65% to a maximum value of 93% at about 11 pm. The wind will be breezy, and will get up to 10 mph at 5 pm, blowing from the west. The cloud coverage will range from 8% around 3 pm to as high as 100% around 4 am with an average of 55%.
There is no probability for any precipitation throughout the day. The dew point will range from 46°F up to a maximum value of 51°F around 11 pm.
The visibility is expected to be good with average visibility of 8 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1015 hPa. Sunrise will be at 6:28 am, and sunset at 7:46 pm. The day will have 13 hours and 18 minutes of daylight.
Air quality forecast for Fairfax, on Friday, April 19th:
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 30 and 57.
Pollen forecast for Fairfax, on Friday, April 19th:
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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