Keystone, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keystone, a city in Mcdowell County, West Virginia.
Overnight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. Southeast wind around 1 mph.
7-day forecast for Keystone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Cloudy | 1 mph SE | 0% |
| Saturday | 86°F | Mostly Sunny | 2 mph S | 5% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph SE | 28% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 mph SW | 45% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 52% |
| Monday | 83°F | Showers And Thunderstorms | 3 mph W | 75% |
| Monday Night | 62°F | Showers And Thunderstorms | 2 to 8 mph E | 75% |
| Tuesday | 75°F | Showers And Thunderstorms | 8 mph SE | 80% |
| Tuesday Night | 58°F | Showers And Thunderstorms | 9 to 13 mph SE | 80% |
| Wednesday | 69°F | Showers And Thunderstorms Likely | 14 mph SE | 65% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 12 mph SE | 55% |
| Thursday | 70°F | Chance Rain Showers | 6 to 9 mph E | 50% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 40% |
| Friday | 70°F | Chance Rain Showers | 2 to 6 mph NE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Keystone (37.416, -81.446). Updated through the day.
Growing snapshot for Keystone
Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
7a
More local growing data for Keystone: nearby ZIP 24855 weather · frost dates · planting calendar · West Virginia frost dates
Nearby towns & communities
Anawalt
Bartley
Berwind
Big Sandy
Bradshaw
Cucumber
Davy
Gary
Iaeger
Kimball
Maybeury
Northfork
Pageton
Raysal
Roderfield
Vivian
War
Welch
Climate data from the nearest NOAA station, Elkhorn, Wv (1.8 mi from Keystone). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.