Stonington, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stonington, a village in Christian County, Illinois.
Tonight
54°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 54. South wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Stonington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Showers And Thunderstorms | 13 to 17 mph S | 97% |
| Wednesday | 61°F | Chance Rain Showers then Mostly Cloudy | 12 to 15 mph SW | 17% |
| Wednesday Night | 43°F | Mostly Cloudy | 9 mph SW | 0% |
| Thursday | 63°F | Mostly Sunny | 8 to 14 mph WSW | 3% |
| Thursday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 6 mph NW | 22% |
| Friday | 57°F | Mostly Cloudy | 6 to 10 mph NNW | 12% |
| Friday Night | 36°F | Partly Cloudy | 2 to 8 mph NNW | 6% |
| Saturday | 55°F | Mostly Sunny | 5 mph NW | 1% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph W | 2% |
| Sunday | 61°F | Sunny | 2 to 8 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear | 2 to 6 mph WNW | 5% |
| Monday | 65°F | Sunny | 3 to 10 mph WSW | 3% |
| Monday Night | 39°F | Mostly Clear | 6 mph SW | 2% |
| Tuesday | 67°F | Sunny | 3 to 7 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Stonington (39.639, -89.192). Updated through the day.
Growing snapshot for Stonington
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6a
More local growing data for Stonington: nearby ZIP 62567 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Assumption
Blue Mound
Bulpitt
Edinburg
Jeisyville
Kincaid
Langleyville
Morrisonville
Mount Auburn
Owaneco
Palmer
Pana
Taylorville
Tovey
Climate data from the nearest NOAA station, Decatur Wtp, Il (17.9 mi from Stonington). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.