Local Forecast

Fairfax, VA Weather Forecast & Alerts

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

No Active Alerts

Hour-by-Hour  Current Observation

Monday 11:15 PM EDTMonday 11:15 PM

°F °C
Regional Observations →
75°F

Mostly Cloudy

  • 89° / 73° High / Low
  • 75° Feels Like
  • 0% Chance of Rain

Wind

3 mph

SW

UV Index

0

None

Humidity

100%

Dew 75°F

Sun

6:38 AM · 7:39 PM

Rise · Set

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

5-Day Outlook

Through Friday

Local Radar →

Tonight

73°

Mostly Cloudy

Detailed forecast

Tonight

Mostly cloudy, with a low around 72. Southwest wind around 2 mph.

Tuesday

95° 75°

Isolated T-storm

Overnight: Isolated T-storm

Detailed forecast

Tuesday

A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 95. Heat index values as high as 100. West wind 2 to 6 mph. Chance of precipitation is 20%.

Night

A slight chance of showers and thunderstorms between 8pm and 3am. Partly cloudy, with a low around 75. West wind 2 to 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

95° 75°

Isolated T-storm

Overnight: Chance of Thunderstorms

Detailed forecast

Wednesday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 101. West wind around 5 mph. Chance of precipitation is 20%.

Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 30%.

Thursday

96° 75°

Partly Sunny

Overnight: Isolated T-storm

Detailed forecast

Thursday

Sunny, with a high near 96.

Night

A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 20%.

Friday

91° 71°

Chance of Thunderstorms

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Fairfax, VA Weather Analysis Tools