Keystone, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keystone, a city in Mcdowell County, West Virginia.
Today
84°F
Areas Of Fog then Slight Chance Showers And Thunderstorms
Areas of fog before 9am, then a slight chance of rain showers between 2pm and 3pm, then a slight chance of showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. East wind around 7 mph. Chance of precipitation is 30%.
7-day forecast for Keystone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 7 mph E | 25% |
| Tonight | 65°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 6 mph SE | 22% |
| Wednesday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 mph S | 68% |
| Wednesday Night | 65°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph SE | 77% |
| Thursday | 84°F | Slight Chance Showers And Thunderstorms | 3 mph S | 75% |
| Thursday Night | 66°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph S | 75% |
| Friday | 85°F | Showers And Thunderstorms Likely | 3 mph SW | 69% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph S | 69% |
| Saturday | 84°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 70% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 2 mph SW | 70% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 3 mph SW | 39% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 2 mph SW | 39% |
| Monday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph W | 28% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 3 mph SW | 28% |
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
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Vivian
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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 Aug 4, 2026.