Weather forecast for: Williamson PA
Last Update: 2:21 pm EDT Sep 21, 2026
Tonight: Showers. Low around 53. Northeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday: Showers. High near 61. Northeast wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night: Showers likely, mainly before 5am. Cloudy, with a low around 50. Northeast wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 62. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night: Mostly cloudy, with a low around 49. Northeast wind around 8 mph.
Thursday: Partly sunny, with a high near 64.
Thursday Night: Partly cloudy, with a low around 47.
Friday: Sunny, with a high near 68.
Friday Night: Partly cloudy, with a low around 49.
Saturday: Mostly sunny, with a high near 69.
Saturday Night: Partly cloudy, with a low around 49.
Sunday: Mostly sunny, with a high near 72.
Sunday Night: Partly cloudy, with a low around 51.
Monday: Mostly sunny, with a high near 73.