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Coal City, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Coal City, a community in Owen County, Indiana.

Tonight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. East southeast wind 2 to 6 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Coal City

WhenTempForecastWindPrecip
Tonight 69°F Partly Cloudy 2 to 6 mph ESE 12%
Saturday 92°F Mostly Sunny then Scattered Showers And Thunderstorms 7 mph S 36%
Saturday Night 71°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 6 mph SSE 19%
Sunday 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 2 to 6 mph WSW 19%
Sunday Night 65°F Chance Showers And Thunderstorms 7 mph NNE 44%
Monday 78°F Showers And Thunderstorms Likely 7 to 10 mph NE 56%
Monday Night 59°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 7 to 12 mph NE 56%
Tuesday 72°F Chance Showers And Thunderstorms 10 mph NE 43%
Tuesday Night 57°F Chance Showers And Thunderstorms then Mostly Cloudy 3 to 12 mph NNE 29%
Wednesday 72°F Partly Sunny 3 to 8 mph NNE 5%
Wednesday Night 56°F Mostly Cloudy 2 to 8 mph N 5%
Thursday 73°F Partly Sunny 2 to 8 mph N 4%
Thursday Night 57°F Partly Cloudy 2 to 8 mph NNE 4%
Friday 74°F Mostly Sunny 2 to 8 mph NNE 3%

Forecast source: National Weather Service (api.weather.gov) for Coal City (39.228, -87.044). Updated through the day.

Growing snapshot for Coal City

Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a

More local growing data for Coal City: nearby ZIP 47427 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Spencer, In (13.1 mi from Coal City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.