| National Weather Service Forecast for:
Naperville, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: Tue, 09-Jun-2026 2:46am CDT | ||||||||||||||||||||||||||||||||||||||||
| Naperville | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 99. South southwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. |
| Wednesday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. |
| Thursday |
Showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 80%. |
| Thursday Night |
Showers and thunderstorms. Mostly cloudy, with a low around 63. |
| Friday |
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 78. |
| Friday Night |
Mostly clear, with a low around 62. |
| Saturday |
Sunny, with a high near 83. |
| Saturday Night |
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 62. |
| Sunday |
A chance of rain showers. Mostly sunny, with a high near 78. |
| Sunday Night |
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 57. |
| Monday |
A chance of rain showers. Mostly sunny, with a high near 76. |
Forecast from NOAA-NWS
for Naperville, IL.
Animated forecast icons courtesy of www.meteotreviglio.com.