Weather forecast for: Castleton IL
Last Update: 9:11 pm CST Nov 3, 2026
Tonight: Rain, mainly before 1am, then a chance of showers after 2am. Low around 54. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday: A 20 percent chance of showers before 8am. Mostly cloudy, with a high near 58. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Wednesday Night: Mostly cloudy, with a low around 47. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 56. West southwest wind 9 to 15 mph, with gusts as high as 22 mph.
Thursday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 43. West wind 6 to 9 mph becoming north after midnight. Winds could gust as high as 16 mph.
Friday: Mostly cloudy, with a high near 52. North wind 8 to 11 mph, with gusts as high as 18 mph.
Friday Night: Partly cloudy, with a low around 36. North wind 5 to 7 mph becoming calm in the evening.
Saturday: Mostly sunny, with a high near 52.
Saturday Night: Partly cloudy, with a low around 36.
Sunday: Sunny, with a high near 58.
Sunday Night: Mostly clear, with a low around 37.
Monday: Sunny, with a high near 62.
Monday Night: Mostly clear, with a low around 41.
Tuesday: Sunny, with a high near 64.
WeatherWorld.com
