Coldiron, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coldiron, a community in Harlan County, Kentucky.
Today
85°F
Mostly Sunny then Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny. High near 85, with temperatures falling to around 83 in the afternoon. North northeast wind around 1 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Coldiron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 mph NNE | 33% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Mostly Cloudy | 1 mph ESE | 36% |
| Wednesday | 83°F | Slight Chance Showers And Thunderstorms | 1 mph S | 45% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 0 mph | 41% |
| Thursday | 83°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph SSW | 73% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely then Mostly Cloudy | 1 mph S | 73% |
| Friday | 84°F | Slight Chance Showers And Thunderstorms | 2 mph S | 62% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 62% |
| Saturday | 85°F | Showers And Thunderstorms Likely | 2 mph SSW | 69% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 mph WNW | 69% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 2 mph SW | 40% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 mph W | 40% |
| Monday | 87°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph W | 34% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 mph WNW | 34% |
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
Nearby towns & communities
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 Aug 4, 2026.