| National Weather Service Forecast for:
Naperville, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: Tue, 11-Aug-2026 8:36pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Naperville | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Showers and thunderstorms likely between 11pm and 1am, then areas of fog and showers and thunderstorms likely between 1am and 4am, then areas of fog and a chance of showers and thunderstorms. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. East wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
Areas of fog and a chance of showers and thunderstorms before 9am, then showers and thunderstorms likely between 9am and 4pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. Southeast wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. |
| Wednesday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday |
Rain showers likely before 1pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 79. East wind 0 to 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. |
| Thursday Night |
Showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 66. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. |
| Friday |
A chance of rain showers before 1pm. Partly sunny, with a high near 79. Chance of precipitation is 40%. |
| Friday Night |
A slight chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 66. |
| Saturday |
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 82. |
| Saturday Night |
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. |
| Sunday |
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. |
| Sunday Night |
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. |
| Monday |
Mostly sunny, with a high near 79. |
| Monday Night |
Partly cloudy, with a low around 62. |
| Tuesday |
Mostly sunny, with a high near 80. |
Forecast from NOAA-NWS
for Naperville, IL.
Animated forecast icons courtesy of www.meteotreviglio.com.