Grantsville, WV Weather & Growing Conditions
Tonight
68°F
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 2am, then patchy fog and a chance of showers and thunderstorms between 2am and 4am, then patchy fog and showers and thunderstorms likely. Mostly cloudy, with a low around 68. South wind 1 to 5 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph S | 95% |
| Sunday | 84°F | Patchy Fog | 6 mph SW | 49% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 5 mph NE | 48% |
| Monday | 77°F | Chance Showers And Thunderstorms | 5 mph N | 45% |
| Monday Night | 62°F | Showers And Thunderstorms Likely | 5 mph N | 70% |
| Tuesday | 75°F | Showers And Thunderstorms | 3 mph NE | 79% |
| Tuesday Night | 60°F | Showers And Thunderstorms | 5 mph E | 83% |
| Wednesday | 72°F | Showers And Thunderstorms | 6 mph E | 79% |
| Wednesday Night | 57°F | Showers And Thunderstorms Likely | 3 to 7 mph E | 68% |
| Thursday | 70°F | Rain Showers Likely | 3 mph NE | 57% |
| Thursday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 5 mph NE | 25% |
| Friday | 71°F | Mostly Sunny | 5 mph NE | 10% |
| Friday Night | 52°F | Partly Cloudy | 5 mph N | 10% |
| Saturday | 72°F | Mostly Sunny | 5 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grantsville, WV
Last spring frost
Apr 26
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6b
Explore more for Grantsville, WV: full frost dates · planting calendar · West Virginia frost dates
Climate data from the nearest NOAA station, Grantsville 1Ese, Wv (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.