Weather forecast for: Greenville IL
Last Update: 7:36 am CDT Oct 27, 2026
Today: Mostly cloudy, with a high near 74. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Calm wind.
Wednesday: Sunny, with a high near 78. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night: Clear, with a low around 52. South wind 3 to 5 mph.
Thursday: Sunny, with a high near 82. South wind 5 to 8 mph.
Thursday Night: Partly cloudy, with a low around 54.
Friday: Partly sunny, with a high near 80.
Friday Night: Mostly cloudy, with a low around 55.
Saturday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 73.
Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Sunday: A 30 percent chance of showers. Partly sunny, with a high near 74.
Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.