| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 09/22/2026 1:21am | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 54. Northeast wind around 10 mph, with gusts as high as 20 mph. |
| Tuesday |
A slight chance of rain showers. Mostly cloudy, with a high near 64. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
| Tuesday Night |
A slight chance of rain showers before 11pm. Mostly cloudy, with a low around 55. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. |
| Wednesday |
Mostly cloudy, with a high near 67. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 54. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. |
| Thursday |
Mostly cloudy, with a high near 68. |
| Thursday Night |
Mostly cloudy, with a low around 53. |
| Friday |
Mostly sunny, with a high near 69. |
| Friday Night |
Partly cloudy, with a low around 49. |
| Saturday |
Partly sunny, with a high near 68. |
| Saturday Night |
Mostly cloudy, with a low around 52. |
| Sunday |
Mostly cloudy, with a high near 71. |
| Sunday Night |
Mostly cloudy, with a low around 55. |
| Monday |
Mostly sunny, with a high near 75. |
Forecast from NOAA-NWS for Plainfield, IL.