| National Weather Service Forecast for:
Naperville, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: Mon, 19-Oct-2026 3:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Naperville | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny. High near 67, with temperatures falling to around 65 in the afternoon. South southwest wind around 0 mph. |
| Tonight |
Partly cloudy, with a low around 45. East northeast wind around 0 mph. |
| Tuesday |
Sunny. High near 68, with temperatures falling to around 66 in the afternoon. East wind 0 to 5 mph. |
| Tuesday Night |
Mostly clear, with a low around 45. East wind 0 to 5 mph. |
| Wednesday |
Sunny, with a high near 70. South southwest wind around 0 mph. |
| Wednesday Night |
Mostly clear, with a low around 48. |
| Thursday |
Sunny, with a high near 71. |
| Thursday Night |
Mostly clear, with a low around 50. |
| Friday |
Sunny, with a high near 70. |
| Friday Night |
Mostly clear, with a low around 48. |
| Saturday |
Mostly sunny, with a high near 69. |
| Saturday Night |
Partly cloudy, with a low around 52. |
| Sunday |
Partly sunny, with a high near 70. |
| Sunday Night |
Mostly cloudy, with a low around 50. |
Forecast from NOAA-NWS
for Naperville, IL.
Animated forecast icons courtesy of www.meteotreviglio.com.