I-78 weather conditions near Harrisburg, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 72°F 2026-05-05T09:56:00-04:00 - Today 2026-05-05, Increasing Clouds. Increasing clouds, with a high near 83. Southwest wind 9 to 18 mph, with gusts as high as 33 mph.
Tonight 2026-05-05, Mostly Cloudy. Mostly cloudy, with a low around 62. South wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday 2026-05-06, Showers. Showers, with thunderstorms also possible after 5pm. High near 71. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night 2026-05-06, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Northwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday 2026-05-07, Chance Showers. A chance of showers. Partly sunny, with a high near 64. Northwest wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night 2026-05-07, Slight Chance Showers. A slight chance of showers before 2am. Partly cloudy, with a low around 42. Chance of precipitation is 20%.- Friday 2026-05-08, Mostly Sunny. Mostly sunny, with a high near 66.
Friday Night 2026-05-08, Partly Cloudy. Partly cloudy, with a low around 48.
Saturday 2026-05-09, Showers Likely. Showers likely, mainly after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 60%.Saturday Night 2026-05-09, Showers Likely then Mostly Clear. Showers likely before 8pm. Partly cloudy, with a low around 47. Chance of precipitation is 60%.
- Sunday 2026-05-10, Mostly Sunny. Mostly sunny, with a high near 75.
Sunday Night 2026-05-10, Chance Showers. A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.- Monday 2026-05-11, Showers Likely. Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.