know it ahead ™ ...

>>> Get any help from a live AI Agent in real time along I-81

I-81 weather conditions near Harrisburg, Pennsylvania

       Seasoned Weather Conditions

      

       Current Weather Conditions

click anywhere on map to change location

 
 
  

7 day weather forecast

  • Current condition: Overcast 75°F 2025-07-27T03:56:00-04:00
  • Overnight 2025-07-27, Chance T-storms. A chance of showers and thunderstorms. Cloudy, with a low around 74. Light southeast wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Sunday 2025-07-27, Showers Likely then T-storms. Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 89. Southeast wind around 6 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Sunday Night 2025-07-27, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Monday 2025-07-28, Hot. Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming northwest around 5 mph in the afternoon.
  • Monday Night 2025-07-28, Mostly Clear. Mostly clear, with a low around 72. Calm wind.
  • Tuesday 2025-07-29, Hot. Sunny and hot, with a high near 95.
  • Tuesday Night 2025-07-29, Mostly Clear. Mostly clear, with a low around 74.
  • Wednesday 2025-07-30, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 30%.
  • Wednesday Night 2025-07-30, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
  • Thursday 2025-07-31, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
  • Thursday Night 2025-07-31, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
  • Friday 2025-08-01, Mostly Sunny. Mostly sunny, with a high near 80.
  • Friday Night 2025-08-01, Mostly Clear. Mostly clear, with a low around 59.
  • Saturday 2025-08-02, Mostly Sunny. Mostly sunny, with a high near 80.





Thank you for using Roadnow

Roadnow US