Weather forecast for: Martinsville IL
Last Update: 1:26 am CDT Aug 2, 2026
Overnight: Showers, mainly before 5am. Low around 66. North wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday: A 40 percent chance of showers before 9am. Mostly cloudy, with a high near 79. North wind 13 to 15 mph, with gusts as high as 24 mph.
Sunday Night: Mostly clear, with a low around 63. North wind 7 to 11 mph, with gusts as high as 21 mph.
Monday: Mostly sunny, with a high near 82. North northeast wind 7 to 9 mph.
Monday Night: Mostly clear, with a low around 62. Northeast wind 3 to 6 mph.
Tuesday: Sunny, with a high near 83. Light northeast wind.
Tuesday Night: Mostly clear, with a low around 63. Calm wind.
Wednesday: Sunny, with a high near 85.
Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 66.
Thursday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 82.
Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night: A chance of showers. Partly cloudy, with a low around 67.
Saturday: Mostly sunny, with a high near 87.