National Weather Service Forecast for: Naperville, IL
Issued by: National Weather Service Chicago/Romeoville, IL
Updated: Tue, 09-Jun-2026 2:46am CDT

Naperville
 
  Tuesday

Tuesday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And T-Storms
Wednesday

Wednesday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Thursday

Thursday: Showers And Thunderstorms
Showers And T-Storms
Friday

Friday: Slight Chance Showers And Thunderstorms then Sunny
Slight Chance Showers And T-Storms then Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Chance Rain Showers
Chance Rain Showers
Monday

Monday: Chance Rain Showers
Chance Rain Showers
  Hi 85 °F Hi 91 °F Hi 89 °F Hi 78 °F Hi 83 °F Hi 78 °F Hi 76 °F
 
Overnight

Overnight: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Thursday
Night
Thursday Night: Showers And Thunderstorms
Showers And T-Storms
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
 
Lo 70 °F Lo 72 °F Lo 71 °F Lo 63 °F Lo 62 °F Lo 62 °F Lo 57 °F  

 

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.