TKHuman Westmont Weather

63°F

Westmont, Illinois, USA

Updated: 04-Aug-2026 5:20am

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National Weather Service Forecast for: Plainfield, IL
Issued by: National Weather Service Chicago/Romeoville, IL

Updated: 08/04/2026 4:01am

Westmont, Illinois

	Tuesday Mostly Sunny	Wednesday Showers And T-Storms Likely then Chance Showers And T-Storms	Thursday Chance Showers And T-Storms	Friday Mostly Sunny	Saturday Mostly Sunny	Sunday Slight Chance Showers And T-Storms then Mostly Sunny	Monday Chance Rain Showers
	Hi 84 °F	Hi 80 °F	Hi 79 °F	Hi 82 °F	Hi 84 °F	Hi 86 °F	Hi 85 °F

Overnight Mostly Clear	Tuesday Night Mostly Cloudy then Slight Chance Showers And T-Storms	Wednesday Night Showers And T-Storms	Thursday Night Chance Showers And T-Storms then Partly Cloudy	Friday Night Mostly Clear	Saturday Night Mostly Clear then Slight Chance Showers And T-Storms	Sunday Night Chance Showers And T-Storms
Lo 63 °F	Lo 67 °F	Lo 65 °F	Lo 63 °F	Lo 64 °F	Lo 69 °F	Lo 70 °F

Overnight	Mostly clear, with a low around 63. South wind around 5 mph.
Tuesday	Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph.
Tuesday Night	A slight chance of rain showers between 3am and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Wednesday	Showers and thunderstorms likely before noon, then a chance of showers and thunderstorms between noon and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. West southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Wednesday Night	Showers and thunderstorms. Mostly cloudy, with a low around 65. West northwest wind around 5 mph. Chance of precipitation is 90%.
Thursday	Rain showers likely before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Thursday Night	A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63.
Friday	Mostly sunny, with a high near 82.
Friday Night	Mostly clear, with a low around 64.
Saturday	Mostly sunny, with a high near 84.
Saturday Night	A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69.
Sunday	A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86.
Sunday Night	A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 70.
Monday	A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85.

Forecast from NOAA-NWS for Plainfield, IL.

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