Stonington, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stonington, a village in Christian County, Illinois.
Today
86°F
Sunny
Sunny, with a high near 86. South wind around 5 mph.
7-day forecast for Stonington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 mph S | 0% |
| Tonight | 66°F | Mostly Clear | 5 mph SSE | 0% |
| Wednesday | 87°F | Mostly Sunny | 3 to 7 mph S | 10% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 6 mph S | 81% |
| Thursday | 83°F | Showers And Thunderstorms | 7 mph SSW | 81% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SSE | 23% |
| Friday | 84°F | Partly Sunny | 3 mph SW | 11% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 2 mph SSW | 23% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 2 to 6 mph SSW | 23% |
| Saturday Night | 70°F | Mostly Clear | 3 to 8 mph S | 11% |
| Sunday | 89°F | Sunny | 7 to 12 mph SSW | 5% |
| Sunday Night | 73°F | Mostly Clear | 10 mph SSW | 9% |
| Monday | 90°F | Mostly Sunny | 10 mph SSW | 12% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 9 mph SSW | 22% |
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
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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 Aug 4, 2026.