| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 10/22/2026 11:06am | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny. High near 74, with temperatures falling to around 71 in the afternoon. Northeast wind 0 to 5 mph. |
| Tonight |
Mostly clear, with a low around 46. East wind 0 to 5 mph. |
| Friday |
Sunny. High near 73, with temperatures falling to around 70 in the afternoon. Southeast wind 0 to 5 mph. |
| Friday Night |
Mostly clear, with a low around 47. Southeast wind around 5 mph. |
| Saturday |
Mostly sunny, with a high near 71. South southeast wind 5 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 49. |
| Sunday |
Mostly sunny, with a high near 75. |
| Sunday Night |
Mostly cloudy, with a low around 50. |
| Monday |
Partly sunny, with a high near 70. |
| Monday Night |
Mostly cloudy, with a low around 49. |
| Tuesday |
A slight chance of rain showers between 7am and 1pm. Mostly cloudy, with a high near 65. |
| Tuesday Night |
Mostly cloudy, with a low around 44. |
| Wednesday |
Partly sunny, with a high near 63. |
| Wednesday Night |
Partly cloudy, with a low around 45. |
Forecast from NOAA-NWS for Plainfield, IL.