19341 Weather (Exton, PA)

Weather forecast for: Exton PA

Last Update: 4:08 am EDT Aug 15, 2026

This Afternoon: Sunny, with a high near 85. North wind around 5 mph.

Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Calm wind becoming southeast around 5 mph.

Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. High near 80. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Low around 68. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday: Mostly sunny, with a high near 85. Northwest wind 5 to 10 mph.

Monday Night: Mostly clear, with a low around 65.

Tuesday: Sunny, with a high near 84.

Tuesday Night: Mostly clear, with a low around 63.

Wednesday: Sunny, with a high near 86.

Wednesday Night: A chance of showers after 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Thursday: A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 40%.

Thursday Night: A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

Friday: Mostly sunny, with a high near 81.