| National Weather Service Forecast for:
Plainfield IL Issued by: National Weather Service Chicago, IL |
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| Updated: 1:55 am CDT Aug 20, 2026 | ||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 62. North northeast wind around 5 mph. |
| Thursday |
Sunny, with a high near 80. East northeast wind around 5 mph, with gusts as high as 10 mph. |
| Thursday Night |
Mostly clear, with a low around 59. East wind around 5 mph becoming calm. |
| Friday |
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph. |
| Friday Night |
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. South southwest wind around 5 mph, with gusts as high as 10 mph. |
| Saturday |
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. |
| Saturday Night |
Mostly clear, with a low around 59. |
| Sunday |
Sunny, with a high near 75. |
| Sunday Night |
Partly cloudy, with a low around 57. |
| Monday |
Mostly sunny, with a high near 76. |
| Monday Night |
Partly cloudy, with a low around 59. |
| Tuesday |
Mostly sunny, with a high near 78. |
| Tuesday Night |
Partly cloudy, with a low around 64. |
| Wednesday |
Mostly sunny, with a high near 80. |
Forecast from NOAA-NWS for Plainfield IL.
