I-81 weather conditions near Chambersburg, Pennsylvania

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 63°F 2025-09-20T07:53:00-04:00
• Today 2025-09-20, Mostly Sunny. Mostly sunny, with a high near 80. Northeast wind around 6 mph becoming east in the afternoon.
• Tonight 2025-09-20, Increasing Clouds. Increasing clouds, with a low around 59. Light southeast wind.
• Sunday 2025-09-21, Cloudy. Cloudy, with a high near 76. Southeast wind 3 to 6 mph.
• Sunday Night 2025-09-21, Mostly Cloudy. Mostly cloudy, with a low around 59. Southeast wind 3 to 6 mph.
• Monday 2025-09-22, Mostly Cloudy then Slight Chance Showers. A slight chance of showers after 2pm. Mostly cloudy, with a high near 82. South wind 3 to 6 mph. Chance of precipitation is 20%.
• Monday Night 2025-09-22, Chance Showers. A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
• Tuesday 2025-09-23, Chance Showers then Showers Likely. Showers likely, mainly after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
• Tuesday Night 2025-09-23, Showers Likely then Chance Showers. Showers likely, mainly before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
• Wednesday 2025-09-24, Mostly Cloudy then Chance Showers. A chance of showers after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
• Wednesday Night 2025-09-24, Chance Showers. A chance of showers before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
• Thursday 2025-09-25, Chance Showers. A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
• Thursday Night 2025-09-25, Chance Showers. A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
• Friday 2025-09-26, Chance Showers. A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.