Harman US

Coldiron, KY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Coldiron, a community in Harlan County, Kentucky.

This Afternoon
78°F
Sunny
Sunny. High near 78, with temperatures falling to around 74 in the afternoon. Southeast wind around 6 mph.

7-day forecast for Coldiron

WhenTempForecastWindPrecip
This Afternoon 78°F Sunny 6 mph SE 1%
Tonight 59°F Partly Cloudy then Slight Chance Light Rain 5 to 9 mph SE 16%
Wednesday 71°F Light Rain 6 to 10 mph SSE 95%
Wednesday Night 58°F Light Rain 0 to 6 mph SSW 87%
Thursday 73°F Areas Of Fog then Partly Sunny 0 to 3 mph WSW 32%
Thursday Night 48°F Chance Light Rain 1 mph WNW 27%
Friday 70°F Mostly Sunny 0 to 5 mph NW 7%
Friday Night 41°F Partly Cloudy 2 mph NNW 6%
Saturday 61°F Mostly Sunny 0 to 5 mph NNW 5%
Saturday Night 34°F Partly Cloudy 2 mph N 5%
Sunday 62°F Partly Sunny 0 to 3 mph NW 4%
Sunday Night 32°F Partly Cloudy 2 mph W 12%
Monday 63°F Slight Chance Light Rain 0 to 5 mph WNW 15%
Monday Night 33°F Mostly Clear 2 mph WSW 10%

Forecast source: National Weather Service (api.weather.gov) for Coldiron (36.828, -83.453). Updated through the day.

Growing snapshot for Coldiron

Last spring frost
Apr 15
First fall frost
Oct 30
Growing season
197 days
Hardiness zone
7a

More local growing data for Coldiron: nearby ZIP 40819 weather · frost dates · planting calendar · Kentucky frost dates

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Climate data from the nearest NOAA station, Baxter, Ky (7.3 mi from Coldiron). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.