Weather in Fairfax, United States
Weather Advisories
in the data behind our forecast?

Today's weather summary
The weather in Fairfax on Friday, July 24th, according to our forecast model, will be clear for the whole day.
Weather details for Fairfax, on Friday, July 24th:
The maximum temperature during the day will be 25°C at about 1 pm. The day will have high relative humidity, with average humidity of 69%, ranging from 44% to a maximum value of 92% at about 6 am. The wind will be strong, and will get up to 42 km/h at 8 pm, blowing from the north-west. The sky will be clear of clouds along the day.
There is no probability for any precipitation throughout the day. The dew point will range from 10°C up to a maximum value of 12°C around 8 pm.
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 1014 hPa. Sunrise will be at 6:06 am, and sunset at 8:26 pm. The day will have 14 hours and 20 minutes of daylight.
Air quality forecast for Fairfax, on Friday, July 24th:
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 31.
Pollen forecast for Fairfax, on Friday, July 24th:
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 on Saturday, July 25th, will be clear for most of the day, together with cloud overcast before dawn.
There's seems to be also high probability of some clouds during the morning around 10 am.
Weather details for Fairfax, on Saturday, July 25th:
The highest temperature of the day is going to be 24°C at about 2 pm. The day will have high relative humidity, with average humidity of 68%, ranging from 47% to a maximum value of 83% at about 6 am. The wind will be strong, and will get up to 42 km/h at 8 pm, blowing from the north-west. The cloud coverage will range from 3% around 1 pm to as high as 100% around 9 am with an average of 35%.
There is no probability for any precipitation throughout the day. The dew point will range from 10°C up to a maximum value of 12°C around 9 pm.
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 1016 hPa. Sunrise will be at 6:07 am, and sunset at 8:26 pm, making it a total of 14 hours and 19 minutes of daylight.
Air quality forecast for Fairfax, on Saturday, July 25th:
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 32 and 54.
Pollen forecast for Fairfax, on Saturday, July 25th:
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.
Nearby locations
FAQ
