Ste. Marie, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ste. Marie, a village in Jasper County, Illinois.
Overnight
69°F
Mostly Clear
Mostly clear, with a low around 69. Southeast wind around 3 mph.
7-day forecast for Ste. Marie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Mostly Clear | 3 mph SE | 3% |
| Saturday | 95°F | Mostly Sunny | 3 to 8 mph SW | 14% |
| Saturday Night | 71°F | Partly Cloudy | 3 to 7 mph S | 8% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph WNW | 19% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 51% |
| Monday | 78°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 65% |
| Monday Night | 57°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 10 to 14 mph NE | 64% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 13 mph NNE | 36% |
| Tuesday Night | 55°F | Mostly Cloudy | 7 to 13 mph NNE | 14% |
| Wednesday | 74°F | Mostly Sunny | 12 mph N | 4% |
| Wednesday Night | 55°F | Partly Cloudy | 5 to 10 mph N | 4% |
| Thursday | 75°F | Mostly Sunny | 7 to 10 mph N | 3% |
| Thursday Night | 56°F | Partly Cloudy | 5 to 9 mph NNE | 4% |
| Friday | 77°F | Mostly Sunny | 5 to 10 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Ste. Marie (38.930, -88.028). Updated through the day.
Growing snapshot for Ste. Marie
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
191 days
Hardiness zone
6b
More local growing data for Ste. Marie: nearby ZIP 62459 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Newton 6 Sse, Il (5 mi from Ste. Marie). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.