Coldiron, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coldiron, a community in Harlan County, Kentucky.
Today
90°F
Areas Of Fog then Slight Chance Showers And Thunderstorms
Areas of fog before 9am, then a slight chance of showers and thunderstorms. Mostly sunny. High near 90, with temperatures falling to around 89 in the afternoon. Heat index values as high as 96. Northwest wind around 1 mph. Chance of precipitation is 20%.
7-day forecast for Coldiron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 1 mph NW | 17% |
| Tonight | 66°F | Chance Showers And Thunderstorms then Areas Of Fog | 1 mph ESE | 31% |
| Sunday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 30% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 2 mph SSE | 29% |
| Monday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph SSW | 40% |
| Monday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 mph E | 65% |
| Tuesday | 80°F | Showers And Thunderstorms | 1 mph SSW | 82% |
| Tuesday Night | 61°F | Showers And Thunderstorms | 2 mph E | 76% |
| Wednesday | 75°F | Rain Showers | 2 mph SSE | 81% |
| Wednesday Night | 58°F | Showers And Thunderstorms | 2 mph ESE | 78% |
| Thursday | 75°F | Chance Rain Showers | 2 mph N | 46% |
| Thursday Night | 56°F | Chance Rain Showers then Partly Cloudy | 2 mph NNE | 26% |
| Friday | 74°F | Partly Sunny | 0 to 5 mph NNE | 12% |
| Friday Night | 54°F | Partly Cloudy | 1 to 5 mph NNE | 12% |
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 Sep 19, 2026.