Williamstown, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williamstown, a city in Wood County, West Virginia.
Tonight
60°F
Partly Cloudy then Patchy Fog
Patchy fog after 2am. Partly cloudy, with a low around 60. North wind around 3 mph.
7-day forecast for Williamstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Partly Cloudy then Patchy Fog | 3 mph N | 0% |
| Saturday | 84°F | Areas Of Fog then Mostly Sunny | 1 mph E | 3% |
| Saturday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 1 to 5 mph SE | 64% |
| Sunday | 83°F | Showers And Thunderstorms | 7 mph SW | 84% |
| Sunday Night | 64°F | Showers And Thunderstorms | 5 mph N | 84% |
| Monday | 76°F | Chance Rain Showers | 5 to 8 mph NE | 41% |
| Monday Night | 62°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 63% |
| Tuesday | 73°F | Showers And Thunderstorms Likely | 8 mph NE | 64% |
| Tuesday Night | 60°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 72% |
| Wednesday | 70°F | Showers And Thunderstorms Likely | 9 mph E | 72% |
| Wednesday Night | 57°F | Showers And Thunderstorms Likely | 5 to 9 mph E | 63% |
| Thursday | 70°F | Chance Rain Showers | 6 mph NE | 26% |
| Thursday Night | 56°F | Chance Rain Showers then Mostly Cloudy | 2 to 6 mph N | 25% |
| Friday | 72°F | Partly Sunny then Slight Chance Rain Showers | 3 to 7 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Williamstown (39.398, -81.455). Updated through the day.
Growing snapshot for Williamstown
Last spring frost
Apr 23
First fall frost
Oct 22
Growing season
180 days
Hardiness zone
6b
More local growing data for Williamstown: nearby ZIP 26187 weather · frost dates · planting calendar · West Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Parkersburg Wood Co Ap, Wv (1.5 mi from Williamstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.