Weather forecast for: Wheaton IL
Last Update: 7:21 pm CDT Sep 28, 2026
Tonight: Patchy dense fog after 1am. Otherwise, partly cloudy, with a low around 52. East northeast wind around 5 mph becoming calm in the evening.
Tuesday: Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Tuesday Night: Mostly cloudy, with a low around 62. South wind 5 to 10 mph.
Wednesday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 74. South wind around 10 mph, with gusts as high as 15 mph.
Wednesday Night: A 50 percent chance of showers. Cloudy, with a low around 66. South wind around 10 mph, with gusts as high as 15 mph.
Thursday: Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 90%.
Thursday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. Chance of precipitation is 70%.
Friday: A chance of showers before 1pm. Partly sunny, with a high near 65.
Friday Night: Partly cloudy, with a low around 52.
Saturday: A chance of showers. Partly sunny, with a high near 65.
Saturday Night: Mostly cloudy, with a low around 52.
Sunday: Partly sunny, with a high near 65.
Sunday Night: Partly cloudy, with a low around 48.
Monday: Sunny, with a high near 61.