know it ahead ™ ...

>>> Get any help from a live AI Agent in real time along I-66

I-66 weather conditions near Fairfax, Virginia

       Seasoned Weather Conditions

      

       Current Weather Conditions

click anywhere on map to change location

 
 
  

7 day weather forecast

  • Current condition: Overcast 79°F 2025-06-18T09:52:00-04:00
  • Today 2025-06-18, Mostly Sunny then T-storms Likely. Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 89. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
  • Tonight 2025-06-18, Chance T-storms then Mostly Clear. A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%.
  • Juneteenth 2025-06-19, Sunny then T-storms. Showers and possibly a thunderstorm after 2pm. High near 93. Heat index values as high as 100. Southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Thursday Night 2025-06-19, T-storms then Chance Showers. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 66. Northwest wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Friday 2025-06-20, Sunny. Sunny, with a high near 86. Northwest wind around 7 mph.
  • Friday Night 2025-06-20, Partly Cloudy. Partly cloudy, with a low around 66.
  • Saturday 2025-06-21, Sunny. Sunny, with a high near 90.
  • Saturday Night 2025-06-21, Partly Cloudy. Partly cloudy, with a low around 71.
  • Sunday 2025-06-22, Mostly Sunny. Mostly sunny, with a high near 95.
  • Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 75.
  • Monday 2025-06-23, Hot. Sunny and hot, with a high near 97.
  • Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 77.
  • Tuesday 2025-06-24, Hot. Sunny and hot, with a high near 99.





Thank you for using Roadnow

Roadnow US