| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 10/16/2026 9:21am | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Scattered rain showers before 5pm. Cloudy. High near 54, with temperatures falling to around 52 in the afternoon. North northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
Patchy frost after 5am. Mostly clear, with a low around 35. North wind 10 to 20 mph, with gusts as high as 35 mph. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
Patchy frost before 8am. Sunny. High near 56, with temperatures falling to around 53 in the afternoon. West northwest wind 0 to 5 mph. |
| Saturday Night |
Clear, with a low around 35. South southwest wind around 5 mph, with gusts as high as 15 mph. |
| Sunday |
Patchy frost before 7am. Sunny, with a high near 64. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. |
| Sunday Night |
Mostly clear, with a low around 40. |
| Monday |
Mostly sunny, with a high near 68. |
| Monday Night |
Partly cloudy, with a low around 43. |
| Tuesday |
Mostly sunny, with a high near 71. |
| Tuesday Night |
Mostly clear, with a low around 46. |
| Wednesday |
Sunny, with a high near 72. |
| Wednesday Night |
Mostly clear, with a low around 48. |
| Thursday |
Mostly sunny, with a high near 74. |
| Thursday Night |
Partly cloudy, with a low around 51. |
Forecast from NOAA-NWS for Plainfield, IL.