Weather forecast for: Cornwall PA
Last Update: 2:21 pm EDT Sep 6, 2026
This Afternoon: Mostly sunny, with a high near 79. North wind around 8 mph.
Tonight: Mostly clear, with a low around 56. North wind around 6 mph.
Labor Day: Sunny, with a high near 79. North wind 3 to 5 mph.
Monday Night: Mostly clear, with a low around 55. Light north wind.
Tuesday: Sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night: Partly cloudy, with a low around 62.
Wednesday: Mostly sunny, with a high near 87.
Wednesday Night: Partly cloudy, with a low around 70.
Thursday: Showers likely, mainly after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Friday: Sunny, with a high near 77.
Friday Night: Mostly clear, with a low around 57.
Saturday: Mostly sunny, with a high near 80.