| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 11/15/2026 3:51pm | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny. High near 51, with temperatures falling to around 45 in the afternoon. West wind around 5 mph. |
| Tonight |
Patchy fog after midnight. Mostly clear, with a low around 28. North northwest wind 0 to 5 mph. |
| Monday |
Patchy fog before 8am. Sunny. High near 52, with temperatures falling to around 44 in the afternoon. Southwest wind 0 to 10 mph. |
| Monday Night |
Mostly clear, with a low around 33. South southwest wind around 5 mph. |
| Tuesday |
Sunny, with a high near 56. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. |
| Tuesday Night |
Mostly clear, with a low around 37. |
| Wednesday |
Mostly sunny, with a high near 58. |
| Wednesday Night |
Partly cloudy, with a low around 46. |
| Thursday |
Mostly sunny, with a high near 61. |
| Thursday Night |
Mostly clear, with a low around 43. |
| Friday |
Mostly sunny, with a high near 60. |
| Friday Night |
Partly cloudy, with a low around 49. |
| Saturday |
A chance of rain. Partly sunny, with a high near 64. |
| Saturday Night |
A chance of rain. Mostly cloudy, with a low around 43. |
Forecast from NOAA-NWS for Plainfield, IL.