National Weather Service Forecast for: Bolingbrook IL
Issued by: National Weather Service Chicago, IL
Updated: 1:22 pm CDT Oct 20, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 69. East southeast wind around 5 mph becoming calm.
Sunny
Tonight

Tonight: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 43. East wind around 5 mph becoming calm  in the evening.
Clear then
Patchy Fog
Wednesday

Wednesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 71. Calm wind becoming west southwest around 5 mph.
Patchy Fog
then Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 48. Calm wind.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 71. Calm wind becoming east northeast around 5 mph.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 48.
Mostly Clear
Friday

Friday: Sunny, with a high near 70.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 49.
Mostly Clear
Saturday

Saturday: Mostly sunny, with a high near 71.
Mostly Sunny
Hi 69 °F Lo 43 °F Hi 71 °F Lo 48 °F Hi 71 °F Lo 48 °F Hi 70 °F Lo 49 °F Hi 71 °F

 

This Afternoon
 
Sunny, with a high near 69. East southeast wind around 5 mph becoming calm.
Tonight
 
Patchy fog after 3am. Otherwise, mostly clear, with a low around 43. East wind around 5 mph becoming calm in the evening.
Wednesday
 
Patchy fog before 8am. Otherwise, sunny, with a high near 71. Calm wind becoming west southwest around 5 mph.
Wednesday Night
 
Mostly clear, with a low around 48. Calm wind.
Thursday
 
Sunny, with a high near 71. Calm wind becoming east northeast around 5 mph.
Thursday Night
 
Mostly clear, with a low around 48.
Friday
 
Sunny, with a high near 70.
Friday Night
 
Mostly clear, with a low around 49.
Saturday
 
Mostly sunny, with a high near 71.
Saturday Night
 
Partly cloudy, with a low around 52.
Sunday
 
Partly sunny, with a high near 72.
Sunday Night
 
Mostly cloudy, with a low around 52.
Monday
 
Partly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Bolingbrook IL.