Chestnut, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chestnut, a community in Logan County, Illinois.
This Afternoon
73°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Mostly cloudy, with a high near 73. South wind around 21 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Chestnut
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Light Rain Likely | 21 mph S | 70% |
| Tonight | 54°F | Rain | 15 to 18 mph S | 81% |
| Wednesday | 61°F | Slight Chance Light Rain then Mostly Cloudy | 13 to 16 mph SW | 20% |
| Wednesday Night | 44°F | Mostly Cloudy | 12 mph SW | 1% |
| Thursday | 61°F | Mostly Sunny | 10 to 16 mph WSW | 5% |
| Thursday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 9 mph WNW | 20% |
| Friday | 56°F | Slight Chance Light Rain then Mostly Cloudy | 7 to 13 mph NNW | 15% |
| Friday Night | 36°F | Mostly Cloudy | 2 to 10 mph NNW | 6% |
| Saturday | 54°F | Mostly Sunny | 2 to 6 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 3 mph W | 2% |
| Sunday | 60°F | Sunny | 3 to 10 mph W | 10% |
| Sunday Night | 34°F | Mostly Clear | 3 to 8 mph WNW | 6% |
| Monday | 64°F | Sunny | 3 to 13 mph SW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 to 9 mph WSW | 2% |
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
Nearby towns & communities
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New Holland
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 4, 2026.