Chesterfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chesterfield, a village in Macoupin County, Illinois.
Tonight
69°F
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 69. Southeast wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for Chesterfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph SE | 22% |
| Saturday | 96°F | Mostly Sunny | 7 mph SW | 7% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SW | 11% |
| Sunday | 90°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph NW | 41% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph NE | 65% |
| Monday | 76°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 65% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 54% |
| Tuesday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 22% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 10 mph N | 4% |
| Wednesday | 73°F | Mostly Sunny | 8 mph N | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 7 mph N | 1% |
| Thursday | 75°F | Mostly Sunny | 2 to 7 mph N | 4% |
| Thursday Night | 54°F | Partly Cloudy | 2 to 6 mph NE | 4% |
| Friday | 75°F | Mostly Sunny | 3 to 7 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Chesterfield (39.257, -90.067). Updated through the day.
Growing snapshot for Chesterfield
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
6b
More local growing data for Chesterfield: nearby ZIP 62630 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Dorchester
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Lake Ka-Ho
Modesto
Mount Clare
Mount Olive
Nilwood
Palmyra
Royal Lakes
Sawyerville
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Standard City
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White City
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Climate data from the nearest NOAA station, Carlinville, Il (11.6 mi from Chesterfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.