| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 10/04/2026 8:56am | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny. High near 71, with temperatures falling to around 68 in the afternoon. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. |
| Tonight |
Clear, with a low around 44. North northwest wind 5 to 10 mph. |
| Monday |
Sunny. High near 67, with temperatures falling to around 65 in the afternoon. North northeast wind 0 to 5 mph. |
| Monday Night |
Clear, with a low around 44. East southeast wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 25 mph. |
| Tuesday Night |
Mostly clear, with a low around 54. |
| Wednesday |
Sunny, with a high near 73. |
| Wednesday Night |
Mostly clear, with a low around 49. |
| Thursday |
Mostly sunny, with a high near 71. |
| Thursday Night |
Partly cloudy, with a low around 51. |
| Friday |
Mostly sunny, with a high near 70. |
| Friday Night |
Mostly clear, with a low around 51. |
| Saturday |
Sunny, with a high near 74. |
| Saturday Night |
Partly cloudy, with a low around 57. |
Forecast from NOAA-NWS for Plainfield, IL.