Weather forecast for: Rochester IL
Last Update: 12:01 pm CDT Sep 20, 2026
This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. North northwest wind 6 to 8 mph.
Tonight: A chance of showers and thunderstorms. Cloudy, with a low around 63. Northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Monday: A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 70. Northeast wind around 9 mph, with gusts as high as 16 mph.
Monday Night: Mostly cloudy, with a low around 56. Northeast wind around 10 mph, with gusts as high as 17 mph.
Tuesday: Mostly cloudy, with a high near 68. North northeast wind around 11 mph, with gusts as high as 18 mph.
Tuesday Night: Mostly cloudy, with a low around 52. North northeast wind 5 to 9 mph, with gusts as high as 16 mph.
Wednesday: Mostly sunny, with a high near 70. North northeast wind 6 to 11 mph, with gusts as high as 16 mph.
Wednesday Night: Partly cloudy, with a low around 52.
Thursday: Mostly sunny, with a high near 72.
Thursday Night: Mostly cloudy, with a low around 55.
Friday: Partly sunny, with a high near 75.
Friday Night: Partly cloudy, with a low around 52.
Saturday: Mostly sunny, with a high near 76.
WeatherWorld.com
