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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.

This Afternoon
68°F
Mostly Cloudy
Mostly cloudy. High near 68, with temperatures falling to around 62 in the afternoon. West southwest wind around 13 mph, with gusts as high as 21 mph.

7-day forecast for Coal City

WhenTempForecastWindPrecip
This Afternoon 68°F Mostly Cloudy 13 mph WSW 8%
Tonight 47°F Mostly Cloudy 2 to 9 mph WSW 5%
Thursday 63°F Mostly Sunny 5 to 12 mph SW 0%
Thursday Night 43°F Mostly Cloudy 0 to 7 mph W 8%
Friday 55°F Mostly Cloudy 2 to 10 mph NNW 4%
Friday Night 32°F Partly Cloudy 1 to 7 mph NNW 2%
Saturday 54°F Sunny 1 to 7 mph NNW 0%
Saturday Night 29°F Mostly Clear 0 to 3 mph NNW 0%
Sunday 58°F Sunny 0 to 7 mph WNW 0%
Sunday Night 31°F Mostly Clear 0 to 3 mph NW 0%
Monday 62°F Sunny 0 to 6 mph WSW 0%
Monday Night 35°F Clear 3 mph SW 0%
Tuesday 64°F Sunny 1 to 6 mph WSW 1%
Tuesday Night 36°F Mostly Clear 2 mph NNW 2%

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 Nov 4, 2026.