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Chestnut, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Chestnut, a community in Logan County, Illinois.

Tonight
44°F
Slight Chance Drizzle then Mostly Cloudy
A slight chance of drizzle before 10pm. Mostly cloudy, with a low around 44. Southwest wind around 12 mph, with gusts as high as 18 mph.

7-day forecast for Chestnut

WhenTempForecastWindPrecip
Tonight 44°F Slight Chance Drizzle then Mostly Cloudy 12 mph SW 10%
Thursday 58°F Mostly Cloudy then Slight Chance Light Rain 10 to 16 mph WSW 17%
Thursday Night 41°F Slight Chance Light Rain then Mostly Cloudy 7 to 12 mph NW 23%
Friday 51°F Partly Sunny 9 to 14 mph N 1%
Friday Night 30°F Mostly Clear 2 to 8 mph NNW 0%
Saturday 53°F Sunny 2 to 7 mph NNW 0%
Saturday Night 30°F Mostly Clear 1 to 5 mph WNW 0%
Sunday 59°F Sunny 2 to 8 mph W 0%
Sunday Night 33°F Mostly Clear 1 to 5 mph W 0%
Monday 64°F Sunny 1 to 9 mph SW 0%
Monday Night 38°F Clear 3 to 8 mph WSW 0%
Tuesday 65°F Sunny 6 mph WNW 2%
Tuesday Night 38°F Mostly Clear 5 mph NNW 2%
Veterans Day 64°F Mostly Sunny 2 to 6 mph N 1%

Forecast source: National Weather Service (api.weather.gov) for Chestnut (40.054, -89.187). Updated through the day.

Growing snapshot for Chestnut

Last spring frost
Apr 20
First fall frost
Oct 16
Growing season
179 days
Hardiness zone
6a

More local growing data for Chestnut: nearby ZIP 62518 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Lincoln, Il (10 mi from Chestnut). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.