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Keystone, WV Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Keystone, a city in Mcdowell County, West Virginia.

This Afternoon
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 70 in the afternoon. Southeast wind around 7 mph.

7-day forecast for Keystone

WhenTempForecastWindPrecip
This Afternoon 75°F Sunny 7 mph SE 1%
Tonight 56°F Mostly Clear 9 mph SE 1%
Wednesday 72°F Chance Light Rain 12 mph SE 40%
Wednesday Night 60°F Light Rain 2 to 12 mph S 98%
Thursday 73°F Light Rain Likely 5 mph SW 61%
Thursday Night 51°F Chance Light Rain 2 mph SW 39%
Friday 69°F Chance Light Rain 0 to 6 mph W 34%
Friday Night 44°F Slight Chance Light Rain 3 mph NW 16%
Saturday 59°F Slight Chance Light Rain 2 to 7 mph NW 15%
Saturday Night 36°F Partly Cloudy then Patchy Frost 0 to 5 mph W 14%
Sunday 59°F Patchy Frost then Partly Sunny 0 to 7 mph W 10%
Sunday Night 34°F Slight Chance Light Rain 5 mph W 17%
Monday 59°F Slight Chance Light Rain 3 to 9 mph W 22%
Monday Night 35°F Slight Chance Light Rain 6 mph SW 20%

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

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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 Nov 3, 2026.