Weather forecast for: Naperville IL
Last Update: 4:56 pm CDT Sep 14, 2026
Tonight: A 50 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. Southeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday: A chance of showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 10am, then a chance of showers and thunderstorms after 10am. High near 80. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 65. Northwest wind 5 to 10 mph becoming north northeast after midnight.
Wednesday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. East northeast wind around 5 mph. Chance of precipitation is 60%.
Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. East northeast wind around 5 mph becoming calm after midnight.
Thursday: Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Thursday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 66.
Friday: Partly sunny, with a high near 81.
Friday Night: A chance of showers after 1am. Partly cloudy, with a low around 68.
Saturday: A chance of showers. Mostly sunny, with a high near 83.
Saturday Night: A chance of showers. Mostly cloudy, with a low around 66.
Sunday: A chance of showers. Partly sunny, with a high near 78.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 62.
Monday: A chance of showers. Partly sunny, with a high near 75.