Weather forecast for: Clayton IL
Last Update: 3:51 am CDT Sep 6, 2026
Today: Cloudy, then gradually becoming mostly sunny, with a high near 87. East wind 6 to 9 mph.
Tonight: Partly cloudy, with a low around 62. East wind 6 to 8 mph.
Labor Day: Mostly sunny, with a high near 85. East wind 6 to 8 mph.
Monday Night: Partly cloudy, with a low around 63. East wind around 7 mph.
Tuesday: Mostly sunny, with a high near 94. South wind 6 to 9 mph.
Tuesday Night: Mostly clear, with a low around 75.
Wednesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 91.
Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 83.
Thursday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 61.
Friday: Sunny, with a high near 84.
Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 63.
Saturday: Mostly sunny, with a high near 88.