| NWS Forecast for: Harrisburg International Airport PA Issued by: National Weather Service State College, PA Last Update: 8:06 pm EDT May 17, 2026 |  |
| Overnight: Partly cloudy, with a low around 18. Calm wind. Monday: Partly sunny, then gradually becoming sunny and hot, with a high near 33. Light and variable wind becoming south 6 to 11 km/h in the afternoon. Monday Night: A slight chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 20. South wind 8 to 10 km/h. Chance of precipitation is 20%. Tuesday: Mostly sunny and hot, with a high near 34. Light southwest wind increasing to 13 to 18 km/h in the morning. Winds could gust as high as 32 km/h. Tuesday Night: Partly cloudy, with a low around 21. Southwest wind 5 to 10 km/h. Wednesday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 31. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible. Wednesday Night: Showers and possibly a thunderstorm before 8pm. Low around 12. Chance of precipitation is 80%. Thursday: Partly sunny, with a high near 21. Thursday Night: Partly cloudy, with a low around 10. Friday: A chance of showers. Mostly cloudy, with a high near 20. Chance of precipitation is 50%. Friday Night: A chance of showers. Mostly cloudy, with a low around 11. Chance of precipitation is 50%. Saturday: Showers likely. Mostly cloudy, with a high near 21. Chance of precipitation is 60%. Saturday Night: Showers likely. Mostly cloudy, with a low around 13. Chance of precipitation is 60%. Sunday: Showers likely. Mostly cloudy, with a high near 24. Chance of precipitation is 60%. | |
| Harrisburg International Airport PA 40.22°N 76.76°W (Elev. 446 m) | |
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