| NWS Forecast for: South Williamsport PA Issued by: National Weather Service State College, PA Last Update: 8:05 pm EDT Oct 5, 2026 | |
| Tonight: Clear, with a low around 39. West wind around 7 mph. Tuesday: Sunny, with a high near 63. Northwest wind 3 to 5 mph. Tuesday Night: Clear, with a low around 39. Calm wind. Wednesday: Sunny, with a high near 71. Calm wind becoming south 5 to 9 mph in the afternoon. Wednesday Night: Mostly clear, with a low around 49. Light and variable wind. Thursday: Sunny, with a high near 74. Thursday Night: Mostly clear, with a low around 46. Friday: Mostly sunny, with a high near 69. Friday Night: Mostly clear, with a low around 44. Saturday: Sunny, with a high near 69. Saturday Night: Mostly clear, with a low around 44. Sunday: Mostly sunny, with a high near 69. Sunday Night: Mostly cloudy, with a low around 50. Columbus Day: Partly sunny, with a high near 70. | |
| South Williamsport PA 41.24°N 76.99°W (Elev. 492 ft) | |
Visit your local NWS office at: https://www.weather.gov/ctp/ |