Harman US

Coal City, IN Weather & Growing Conditions

Overnight
69°F
Mostly Cloudy
Mostly cloudy, with a low around 69. East southeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 69°F Mostly Cloudy 5 mph ESE 8%
Saturday 93°F Mostly Sunny then Chance Showers And Thunderstorms 6 mph S 43%
Saturday Night 70°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 5 mph SSE 20%
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 9 mph NE 56%
Monday Night 59°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 7 to 12 mph NE 56%
Tuesday 73°F Chance Showers And Thunderstorms 7 to 10 mph NE 43%
Tuesday Night 57°F Chance Showers And Thunderstorms then Mostly Cloudy 3 to 10 mph NNE 30%
Wednesday 72°F Partly Sunny 3 to 8 mph NNE 5%
Wednesday Night 56°F Mostly Cloudy 1 to 8 mph N 5%
Thursday 73°F Partly Sunny 2 to 7 mph N 4%
Thursday Night 58°F Partly Cloudy 2 to 7 mph NNE 4%
Friday 75°F Mostly Sunny 2 to 8 mph NNE 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Coal City, IN

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

Explore more for Coal City, IN: full frost dates · planting calendar · Indiana frost dates

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