| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 08/25/2026 9:31am | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Mostly sunny, with a high near 78. South wind around 5 mph. |
| Tonight |
A slight chance of rain showers after 4am. Mostly cloudy, with a low around 63. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny. High near 83, with temperatures falling to around 81 in the afternoon. West southwest wind 5 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 63. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. |
| Thursday |
Sunny, with a high near 80. North northwest wind 5 to 10 mph. |
| Thursday Night |
Mostly clear, with a low around 60. |
| Friday |
Sunny, with a high near 80. |
| Friday Night |
Partly cloudy, with a low around 60. |
| Saturday |
Mostly sunny, with a high near 80. |
| Saturday Night |
Mostly cloudy, with a low around 66. |
| Sunday |
A slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 84. |
| Sunday Night |
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 70. |
| Monday |
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 85. |
| Monday Night |
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 69. |
Forecast from NOAA-NWS for Plainfield, IL.