Chesterfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chesterfield, a village in Macoupin County, Illinois.
This Afternoon
72°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 67 in the afternoon. South wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
7-day forecast for Chesterfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Rain | 18 mph S | 96% |
| Tonight | 50°F | Rain | 9 to 16 mph S | 93% |
| Wednesday | 61°F | Chance Rain Showers then Mostly Cloudy | 8 to 14 mph SW | 12% |
| Wednesday Night | 40°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 63°F | Sunny | 6 to 12 mph W | 3% |
| Thursday Night | 40°F | Mostly Cloudy then Slight Chance T-storms | 5 mph NW | 21% |
| Friday | 57°F | Mostly Cloudy | 5 to 9 mph NW | 5% |
| Friday Night | 34°F | Mostly Cloudy | 1 to 7 mph N | 2% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph W | 1% |
| Sunday | 61°F | Sunny | 1 to 7 mph W | 7% |
| Sunday Night | 32°F | Mostly Clear | 5 mph W | 4% |
| Monday | 65°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 37°F | Mostly Clear | 5 mph SW | 1% |
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
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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 Nov 4, 2026.