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Opdyke, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Opdyke, a community in Jefferson County, Illinois.

Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. South southeast wind around 1 mph.

7-day forecast for Opdyke

WhenTempForecastWindPrecip
Overnight 71°F Mostly Clear 1 mph SSE 3%
Saturday 98°F Sunny 1 to 8 mph SW 5%
Saturday Night 72°F Partly Cloudy 1 to 5 mph SSW 2%
Sunday 96°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 9 mph W 16%
Sunday Night 68°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 6 mph NNE 31%
Monday 86°F Chance Showers And Thunderstorms 3 to 12 mph NNE 52%
Monday Night 61°F Chance Showers And Thunderstorms 6 to 13 mph NNE 52%
Tuesday 75°F Chance Showers And Thunderstorms 8 to 13 mph NNE 33%
Tuesday Night 55°F Mostly Cloudy 5 to 13 mph NNE 7%
Wednesday 76°F Mostly Sunny 6 to 10 mph N 3%
Wednesday Night 55°F Partly Cloudy 2 to 10 mph NNE 2%
Thursday 77°F Mostly Sunny 2 to 9 mph NNE 2%
Thursday Night 57°F Partly Cloudy 2 to 8 mph NNE 2%
Friday 77°F Mostly Sunny 3 to 9 mph NNE 3%

Forecast source: National Weather Service (api.weather.gov) for Opdyke (38.258, -88.790). Updated through the day.

Growing snapshot for Opdyke

Last spring frost
Apr 11
First fall frost
Oct 22
Growing season
193 days
Hardiness zone
6b

More local growing data for Opdyke: nearby ZIP 62872 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Mt Vernon 3 Ne, Il (6 mi from Opdyke). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.