| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 10/07/2026 9:36am | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny. High near 78, with temperatures falling to around 75 in the afternoon. West northwest wind around 10 mph, with gusts as high as 20 mph. |
| Tonight |
Mostly clear. Low around 50, with temperatures rising to around 52 overnight. Northwest wind around 5 mph, with gusts as high as 15 mph. |
| Thursday |
Mostly sunny. High near 71, with temperatures falling to around 69 in the afternoon. Northwest wind 5 to 10 mph. |
| Thursday Night |
Partly cloudy, with a low around 48. North northeast wind 0 to 5 mph. |
| Friday |
Mostly sunny, with a high near 74. South southeast wind 0 to 10 mph, with gusts as high as 20 mph. |
| Friday Night |
Mostly clear, with a low around 58. |
| Saturday |
Sunny, with a high near 81. |
| Saturday Night |
Partly cloudy, with a low around 60. |
| Sunday |
A slight chance of rain showers after 7am. Mostly sunny, with a high near 76. |
| Sunday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 56. |
| Columbus Day |
Mostly sunny, with a high near 76. |
| Monday Night |
A chance of rain showers after 7pm. Partly cloudy, with a low around 56. |
| Tuesday |
A chance of rain showers. Partly sunny, with a high near 68. |
| Tuesday Night |
A chance of rain showers. Partly cloudy, with a low around 49. |
Forecast from NOAA-NWS for Plainfield, IL.