Chestnut, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chestnut, a community in Logan County, Illinois.
Tonight
70°F
Partly Cloudy
Partly cloudy, with a low around 70. East southeast wind around 9 mph, with gusts as high as 17 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Chestnut
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Partly Cloudy | 9 mph ESE | 4% |
| Saturday | 90°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 8 mph SSW | 17% |
| Saturday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 8 mph SSW | 25% |
| Sunday | 84°F | Rain Showers Likely | 3 to 14 mph N | 60% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 12 to 15 mph NE | 65% |
| Monday | 70°F | Showers And Thunderstorms Likely | 16 mph NE | 65% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 13 to 17 mph NE | 53% |
| Tuesday | 68°F | Chance Rain Showers | 15 mph NE | 33% |
| Tuesday Night | 52°F | Mostly Cloudy | 7 to 15 mph NNE | 6% |
| Wednesday | 70°F | Partly Sunny | 9 to 13 mph NNE | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 5 to 12 mph NNE | 2% |
| Thursday | 71°F | Mostly Sunny | 6 to 9 mph NNE | 3% |
| Thursday Night | 55°F | Partly Cloudy | 5 to 9 mph NNE | 4% |
| Friday | 74°F | Mostly Sunny | 6 to 10 mph NNE | 4% |
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
Atlanta
Beason
Broadwell
Cornland
Elkhart
Emden
Hartsburg
Latham
Lincoln
Middletown
Mount Pulaski
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 Sep 19, 2026.