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Ste. Marie, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ste. Marie, a village in Jasper County, Illinois.

Tonight
58°F
Rain
Rain before 2am, then rain showers likely. Mostly cloudy, with a low around 58. South wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Ste. Marie

WhenTempForecastWindPrecip
Tonight 58°F Rain 13 to 18 mph S 95%
Wednesday 66°F Slight Chance Rain Showers then Partly Sunny 8 to 14 mph SW 22%
Wednesday Night 44°F Mostly Cloudy 6 mph WSW 0%
Thursday 66°F Sunny 6 to 13 mph WSW 0%
Thursday Night 44°F Mostly Cloudy 5 mph WNW 4%
Friday 59°F Partly Sunny 3 to 10 mph NNW 3%
Friday Night 38°F Partly Cloudy 3 to 7 mph NNW 4%
Saturday 57°F Mostly Sunny 6 mph NNW 1%
Saturday Night 34°F Partly Cloudy 2 mph WNW 2%
Sunday 61°F Mostly Sunny 1 to 8 mph W 6%
Sunday Night 33°F Mostly Clear 2 to 6 mph NW 6%
Monday 64°F Sunny 2 to 9 mph W 3%
Monday Night 38°F Mostly Clear 6 mph SW 1%
Tuesday 67°F Sunny 3 to 7 mph WSW 1%

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

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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 Nov 4, 2026.