Weather forecast for: Andover IL
Last Update: 8:16 am CDT Oct 24, 2026
Today: Mostly cloudy, then gradually becoming sunny, with a high near 74. South wind around 10 mph.
Tonight: Partly cloudy, with a low around 51. South wind around 5 mph.
Sunday: Mostly sunny, with a high near 76. South wind around 5 mph.
Sunday Night: Increasing clouds, with a low around 52. South wind around 5 mph becoming calm.
Monday: Partly sunny, with a high near 72.
Monday Night: Mostly cloudy, with a low around 48.
Tuesday: Mostly cloudy, with a high near 71.
Tuesday Night: Mostly cloudy, with a low around 53.
Wednesday: Mostly sunny, with a high near 74.
Wednesday Night: Partly cloudy, with a low around 52.
Thursday: Mostly sunny, with a high near 71.
Thursday Night: Partly cloudy, with a low around 49.
Friday: A 30 percent chance of showers. Partly sunny, with a high near 69.