| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 09/06/2026 4:16pm | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny. High near 82, with temperatures falling to around 78 in the afternoon. East northeast wind around 10 mph. |
| Tonight |
Partly cloudy. Low around 60, with temperatures rising to around 62 overnight. East northeast wind 5 to 10 mph. |
| Labor Day |
Mostly sunny, with a high near 80. East southeast wind 0 to 5 mph, with gusts as high as 15 mph. |
| Monday Night |
Partly cloudy, with a low around 61. East southeast wind around 5 mph, with gusts as high as 15 mph. |
| Tuesday |
Mostly sunny, with a high near 86. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. |
| Tuesday Night |
A chance of rain showers after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%. |
| Wednesday |
A chance of rain showers before 7am, then showers and thunderstorms likely between 7am and 1pm. Mostly cloudy, with a high near 86. |
| Wednesday Night |
Mostly cloudy, with a low around 62. |
| Thursday |
Mostly sunny, with a high near 79. |
| Thursday Night |
Mostly clear, with a low around 58. |
| Friday |
Sunny, with a high near 81. |
| Friday Night |
A chance of rain showers after 1am. Mostly clear, with a low around 62. |
| Saturday |
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. |
| Saturday Night |
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. |
Forecast from NOAA-NWS for Plainfield, IL.