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Fairfax weather

Current conditions and a 14-day forecast for Fairfax, United States. Looking for typical seasonal weather instead? See the historical climate averages.

Now

20°C

Clear sky · feels 20°C

Humidity

58%

relative humidity

Wind

7 km/h

10m wind speed

Chance of rain

0%

today

High / Low today34° / 17°
UV index8
Sunrise5:59 AM
Sunset8:32 PM

Next 24 hours in Fairfax

TimeConditionsTempRain chance
9amClear sky20°C0%
10amClear sky21°C0%
11amClear sky23°C0%
12pmClear sky27°C0%
1pmClear sky30°C0%
2pmClear sky33°C0%
3pmClear sky34°C0%
4pmClear sky32°C0%
5pmClear sky30°C0%
6pmClear sky28°C0%
7pmClear sky26°C0%
8pmClear sky23°C0%
9pmClear sky22°C0%
10pmClear sky21°C0%
11pmClear sky19°C0%
12amClear sky18°C0%
1amClear sky18°C0%
2amClear sky17°C0%
3amClear sky17°C0%
4amClear sky16°C0%
5amClear sky15°C0%
6amClear sky15°C0%
7amClear sky16°C0%
8amClear sky19°C0%

14-day forecast for Fairfax

DayConditionsHigh / LowRain chance
TodayClear sky34° / 17°0%
Thu, Jul 16Clear sky28° / 15°0%
Fri, Jul 17Mainly clear30° / 10°0%
Sat, Jul 18Mainly clear30° / 9°1%
Sun, Jul 19Overcast28° / 10°2%
Mon, Jul 20Overcast30° / 11°4%
Tue, Jul 21Overcast33° / 11°2%
Wed, Jul 22Overcast35° / 11°1%
Thu, Jul 23Mainly clear34° / 11°1%
Fri, Jul 24Fog32° / 10°1%
Sat, Jul 25Fog34° / 10°1%
Sun, Jul 26Clear sky33° / 10°0%
Mon, Jul 27Fog31° / 10°0%
Tue, Jul 28Mainly clear33° / 10°0%

Want more sun and moon detail for Fairfax? Use the sun calculator or moon calculator and search for Fairfax. For a live look at any other city, try the interactive weather tool.

Frequently asked questions

What's the weather like in Fairfax today?

Current conditions and today's forecast for Fairfax, United States are shown above, refreshed regularly through the day.

How accurate is a 14-day forecast?

A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.

What is Fairfax's weather usually like?

For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see Fairfax's climate page rather than this live forecast.