Grantsville, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grantsville, a town in Calhoun County, West Virginia.
Today
87°F
Areas Of Fog then Sunny
Areas of fog before 9am. Sunny, with a high near 87. East wind around 2 mph.
7-day forecast for Grantsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Areas Of Fog then Sunny | 2 mph E | 6% |
| Tonight | 67°F | Partly Cloudy then Areas Of Fog | 2 mph SE | 6% |
| Wednesday | 87°F | Areas Of Fog then Mostly Sunny | 2 mph S | 14% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 2 mph S | 47% |
| Thursday | 86°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 71% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely | 3 mph S | 71% |
| Friday | 86°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 55% |
| Friday Night | 68°F | Showers And Thunderstorms Likely | 3 mph SW | 66% |
| Saturday | 85°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 68% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 68% |
| Sunday | 86°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph SW | 29% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 3 mph SW | 24% |
| Monday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 7 mph SW | 28% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SW | 37% |
Forecast source: National Weather Service (api.weather.gov) for Grantsville (38.921, -81.093). Updated through the day.
Growing snapshot for Grantsville
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6b
More local growing data for Grantsville: nearby ZIP 26147 weather · frost dates · planting calendar · West Virginia frost dates
Climate data from the nearest NOAA station, Grantsville 1Ese, Wv (0.5 mi from Grantsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.