Weather forecast for: Plainfield IL
Last Update: 12:41 pm CDT Sep 3, 2026
This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 91. Heat index values as high as 101. West wind 5 to 10 mph becoming east northeast.
Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. South southeast wind around 5 mph.
Friday: A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 92. Heat index values as high as 101. South southeast wind around 5 mph becoming west southwest in the morning. Winds could gust as high as 15 mph.
Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 71. West southwest wind around 5 mph becoming east northeast after midnight.
Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Northeast wind 5 to 10 mph.
Saturday Night: Partly cloudy, with a low around 66.
Sunday: Mostly sunny, with a high near 83.
Sunday Night: Partly cloudy, with a low around 64.
Labor Day: Mostly sunny, with a high near 83.
Monday Night: Partly cloudy, with a low around 66.
Tuesday: Mostly sunny, with a high near 86.
Tuesday Night: Partly cloudy, with a low around 71.
Wednesday: A chance of showers. Mostly sunny, with a high near 86.
WeatherWorld.com
Village of Plainfield, IL
