I-81 weather conditions near Mechanicsburg, Pennsylvania

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 48°F 2025-10-17T22:56:00-04:00
• Tonight 2025-10-17, Mostly Cloudy. Mostly cloudy, with a low around 46. Calm wind.
• Saturday 2025-10-18, Partly Sunny. Partly sunny, with a high near 71. Calm wind becoming south around 6 mph in the afternoon.
• Saturday Night 2025-10-18, Mostly Clear. Mostly clear, with a low around 50. Southeast wind 3 to 6 mph.
• Sunday 2025-10-19, Mostly Sunny then Chance Showers and Breezy. A chance of showers after 2pm. Partly sunny, with a high near 76. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
• Sunday Night 2025-10-19, Showers. Showers, mainly between 8pm and 2am. Low around 50. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
• Monday 2025-10-20, Chance Showers. A chance of showers before 2pm. Mostly sunny, with a high near 64. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
• Monday Night 2025-10-20, Mostly Clear. Mostly clear, with a low around 44.
• Tuesday 2025-10-21, Mostly Sunny. Mostly sunny, with a high near 68.
• Tuesday Night 2025-10-21, Partly Cloudy. Partly cloudy, with a low around 45.
• Wednesday 2025-10-22, Mostly Sunny. Mostly sunny, with a high near 58.
• Wednesday Night 2025-10-22, Partly Cloudy. Partly cloudy, with a low around 43.
• Thursday 2025-10-23, Mostly Sunny. Mostly sunny, with a high near 61.
• Thursday Night 2025-10-23, Mostly Cloudy. Mostly cloudy, with a low around 44.
• Friday 2025-10-24, Partly Sunny. Partly sunny, with a high near 60.