Coldiron, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coldiron, a community in Harlan County, Kentucky.
This Afternoon
90°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 90, with temperatures falling to around 87 in the afternoon. North wind around 1 mph. Chance of precipitation is 30%.
7-day forecast for Coldiron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Chance Showers And Thunderstorms | 1 mph N | 32% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Areas Of Fog | 1 mph E | 38% |
| Sunday | 90°F | Areas Of Fog then Mostly Sunny | 3 mph SSW | 10% |
| Sunday Night | 67°F | Partly Cloudy then Slight Chance Rain Showers | 1 mph S | 16% |
| Monday | 89°F | Showers And Thunderstorms Likely | 2 mph SW | 57% |
| Monday Night | 65°F | Showers And Thunderstorms Likely | 1 mph ENE | 65% |
| Tuesday | 81°F | Showers And Thunderstorms | 1 mph NNE | 86% |
| Tuesday Night | 62°F | Showers And Thunderstorms | 1 mph E | 86% |
| Wednesday | 76°F | Rain Showers | 2 mph S | 82% |
| Wednesday Night | 59°F | Showers And Thunderstorms | 3 mph SE | 82% |
| Thursday | 75°F | Chance Rain Showers | 2 mph SSW | 53% |
| Thursday Night | 57°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph NNE | 34% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph N | 14% |
| Friday Night | 54°F | Partly Cloudy | 3 mph N | 13% |
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.