7-Day Forecast 40.2°N 76.77°W (Text-Only)
NWS Forecast for: Harrisburg International Airport PA
Issued by: National Weather Service State College, PA
Last Update: 1:47 pm EDT Jun 17, 2025




This Afternoon: A chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 76. Southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight: Showers and thunderstorms before 2am, then a chance of showers. Low around 69. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday: Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 71. Southwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe. Mostly sunny, with a high near 88. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Some of the storms could be severe. Partly cloudy, with a low around 65. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: Sunny, with a high near 83.

Friday Night: Partly cloudy, with a low around 66.

Saturday: Mostly sunny, with a high near 87.

Saturday Night: Partly cloudy, with a low around 70.

Sunday: Mostly sunny and hot, with a high near 92.

Sunday Night: Mostly clear, with a low around 74.

Monday: Sunny and hot, with a high near 95.



Harrisburg International Airport PA
 40.2°N 76.77°W (Elev. 299 ft)

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