Local Forecast

Fairfax, VA Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Fairfax, VA

Active Alerts 2 active

Hour-by-Hour  Current Observation

Saturday 4:35 AM EDTSaturday 4:35 AM

°F °C
Regional Observations →
77°F

Fog/Mist

  • 95° / 73° High / Low
  • 77° Feels Like
  • 0% Chance of Rain

Wind

7 mph

SSE

UV Index

0

None

Humidity

89%

Dew 73°F

Sun

5:58 AM · 8:32 PM

Rise · Set

Source: LEESBURG/GODFREY (KJYO). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

Saturday

95° 73°

Thunderstorms Likely

Overnight: Thunderstorms Likely

Detailed forecast

Saturday

Smoke before 2pm, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy. High near 94, with temperatures falling to around 87 in the afternoon. Heat index values as high as 105. Southwest wind 5 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Night

A chance of showers and thunderstorms before 1am. Some of the storms could be severe. Mostly cloudy, with a low around 73. West wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday

86° 68°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Sunday

Sunny, with a high near 86. Northwest wind around 9 mph.

Night

Mostly clear, with a low around 68. Northeast wind 2 to 7 mph.

Monday

86° 71°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Monday

A chance of rain showers between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Tuesday

89° 73°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Tuesday

A slight chance of showers and thunderstorms before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.

Night

Showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 80%.

Wednesday

87° 66°

Chance of Thunderstorms

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Wednesday

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Fairfax, VA Weather Analysis Tools