Millstone, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millstone, a community in Letcher County, Kentucky.
Tonight
67°F
Showers And Thunderstorms Likely then Areas Of Fog
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and midnight, then areas of fog. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. Northeast wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Millstone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Showers And Thunderstorms Likely then Areas Of Fog | 2 mph NE | 58% |
| Saturday | 87°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 2 mph N | 24% |
| Saturday Night | 65°F | Slight Chance Showers And Thunderstorms | 2 mph S | 24% |
| Sunday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph SW | 34% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 3 mph S | 43% |
| Monday | 85°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 mph NNE | 47% |
| Monday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph E | 63% |
| Tuesday | 79°F | Showers And Thunderstorms | 3 mph SW | 81% |
| Tuesday Night | 62°F | Showers And Thunderstorms | 3 mph E | 81% |
| Wednesday | 74°F | Rain Showers Likely | 3 mph SW | 66% |
| Wednesday Night | 58°F | Showers And Thunderstorms Likely | 3 mph E | 66% |
| Thursday | 71°F | Chance Rain Showers | 5 mph NNW | 34% |
| Thursday Night | 57°F | Chance Rain Showers | 1 to 5 mph N | 34% |
| Friday | 72°F | Partly Sunny then Slight Chance Rain Showers | 1 to 5 mph N | 16% |
Forecast source: National Weather Service (api.weather.gov) for Millstone (37.163, -82.750). Updated through the day.
Growing snapshot for Millstone
Last spring frost
Apr 21
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
7a
More local growing data for Millstone: nearby ZIP 41849 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Whitesburg 2Se, Ky (6.3 mi from Millstone). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.