Chestnut, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chestnut, a community in Logan County, Illinois.
Today
86°F
Sunny
Sunny, with a high near 86. South wind around 6 mph.
7-day forecast for Chestnut
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 6 mph S | 0% |
| Tonight | 67°F | Mostly Clear | 6 mph SSE | 0% |
| Wednesday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph S | 19% |
| Wednesday Night | 68°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 7 mph SE | 80% |
| Thursday | 82°F | Showers And Thunderstorms | 5 to 8 mph SSW | 80% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SSE | 20% |
| Friday | 83°F | Mostly Sunny | 5 mph SSW | 9% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 5 mph S | 26% |
| Saturday | 86°F | Mostly Sunny | 3 to 8 mph SSW | 14% |
| Saturday Night | 70°F | Mostly Clear | 8 mph S | 11% |
| Sunday | 88°F | Sunny | 9 to 14 mph SSW | 7% |
| Sunday Night | 73°F | Partly Cloudy | 9 to 13 mph SSW | 12% |
| Monday | 89°F | Mostly Sunny | 9 to 13 mph SSW | 14% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 12 mph SSW | 26% |
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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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 Aug 4, 2026.