Weather forecast for: Chapin IL
Last Update: 11:21 am CDT Oct 24, 2026
This Afternoon: Mostly sunny, with a high near 75. South southeast wind around 7 mph.
Tonight: Mostly clear, with a low around 49. Light south southeast wind.
Sunday: Mostly sunny, with a high near 78. Light south southeast wind.
Sunday Night: Mostly cloudy, with a low around 51. Calm wind.
Monday: Mostly sunny, with a high near 77. Calm wind.
Monday Night: Partly cloudy, with a low around 50. Calm wind.
Tuesday: Partly sunny, with a high near 74. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night: Mostly cloudy, with a low around 52.
Wednesday: Sunny, with a high near 78.
Wednesday Night: Mostly clear, with a low around 52.
Thursday: Mostly sunny, with a high near 76.
Thursday Night: Partly cloudy, with a low around 49.
Friday: Partly sunny, with a high near 74.