Harman US

Plattville, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Plattville, a village in Kendall County, Illinois.

Today
80°F
Showers And Thunderstorms
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for Plattville

WhenTempForecastWindPrecip
Today 80°F Showers And Thunderstorms 5 to 10 mph SE 100%
Tonight 66°F Showers And Thunderstorms Likely then Showers And Thunderstorms 5 to 10 mph SE 94%
Sunday 72°F Showers And Thunderstorms Likely 10 to 15 mph NNE 66%
Sunday Night 57°F Chance Showers And Thunderstorms 15 mph NE 40%
Monday 66°F Chance Rain Showers 15 mph ENE 44%
Monday Night 53°F Chance Rain Showers 10 to 15 mph NE 33%
Tuesday 65°F Slight Chance Rain Showers 15 mph NE 18%
Tuesday Night 52°F Mostly Cloudy 10 to 15 mph NNE 10%
Wednesday 68°F Mostly Sunny 10 to 15 mph NNE 7%
Wednesday Night 54°F Mostly Cloudy 5 to 10 mph NNE 1%
Thursday 70°F Partly Sunny 5 to 10 mph NNE 3%
Thursday Night 54°F Partly Cloudy 5 to 10 mph NNE 3%
Friday 73°F Mostly Sunny 5 to 10 mph NE 3%
Friday Night 53°F Partly Cloudy 5 to 10 mph NE 3%

Forecast source: National Weather Service (api.weather.gov) for Plattville (41.534, -88.384). Updated through the day.

Growing snapshot for Plattville

Last spring frost
Apr 16
First fall frost
Oct 26
Growing season
191 days
Hardiness zone
5b

More local growing data for Plattville: nearby ZIP 60447 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

All Illinois locations ›

Climate data from the nearest NOAA station, Channahon Dresden Isl Dam, Il (6.5 mi from Plattville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.