Weather forecast for: Castleton IL
Last Update: 5:11 pm CST Nov 1, 2026
Tonight: Isolated showers before 1am, then patchy drizzle after 1am. Mostly cloudy, with a low around 54. South southeast wind 7 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Monday: Patchy drizzle before noon. Cloudy, with a high near 66. South southeast wind 10 to 17 mph, with gusts as high as 26 mph.
Monday Night: A slight chance of rain before 9pm, then a chance of rain after 10pm. Cloudy, with a low around 62. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Tuesday: Rain. High near 70. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night: Rain, mainly before midnight. Low around 54. South wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 64. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday Night: Mostly cloudy, with a low around 47. West southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday: Partly sunny, with a high near 60.
Thursday Night: Mostly cloudy, with a low around 45.
Friday: Mostly cloudy, with a high near 57.
Friday Night: Mostly cloudy, with a low around 40.
Saturday: Partly sunny, with a high near 58.
Saturday Night: Partly cloudy, with a low around 41.
Sunday: Mostly sunny, with a high near 59.
WeatherWorld.com
