Weather forecast for: Posen IL
Last Update: 11:01 pm CDT Oct 9, 2026
Overnight: Mostly clear, with a low around 59. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday: Mostly sunny, with a high near 80. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night: Mostly cloudy, with a low around 60. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 73. East wind around 5 mph becoming north northeast in the afternoon.
Sunday Night: Partly cloudy, with a low around 59. Calm wind becoming south southwest around 5 mph after midnight. Winds could gust as high as 10 mph.
Columbus Day: Mostly sunny, with a high near 83.
Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Tuesday: Mostly sunny, with a high near 72.
Tuesday Night: Partly cloudy, with a low around 55.
Wednesday: A chance of showers. Mostly sunny, with a high near 67.
Wednesday Night: A chance of showers. Mostly cloudy, with a low around 54.
Thursday: A chance of showers. Mostly cloudy, with a high near 68.
Thursday Night: A chance of showers. Mostly cloudy, with a low around 52.
Friday: A chance of showers. Partly sunny, with a high near 62.
WeatherWorld.com
