Weather forecast for: West Chester PA
Last Update: 2:33 am EDT Aug 16, 2026
Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Sunday: Showers likely, then showers and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 78. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night: Showers and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms, mainly between 3am and 5am. Patchy fog after 1am. Low around 68. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday: A chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Northwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday: Sunny, with a high near 84.
Tuesday Night: Mostly clear, with a low around 65.
Wednesday: Sunny, with a high near 86.
Wednesday Night: A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday: A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night: Partly cloudy, with a low around 63.
Friday: A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Friday Night: A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Saturday: A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.