Williamstown, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williamstown, a city in Wood County, West Virginia.
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Southeast wind around 6 mph.
7-day forecast for Williamstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 6 mph SE | 2% |
| Wednesday | 75°F | Mostly Cloudy then Light Rain | 6 to 12 mph S | 91% |
| Wednesday Night | 58°F | Light Rain | 5 to 12 mph S | 98% |
| Thursday | 71°F | Mostly Sunny | 3 to 9 mph SW | 3% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 3 mph SW | 2% |
| Friday | 66°F | Partly Sunny then Slight Chance Light Rain | 0 to 7 mph W | 15% |
| Friday Night | 41°F | Slight Chance Light Rain then Mostly Cloudy | 6 mph W | 15% |
| Saturday | 56°F | Partly Sunny | 5 to 9 mph W | 14% |
| Saturday Night | 36°F | Mostly Cloudy | 0 to 5 mph NW | 10% |
| Sunday | 60°F | Patchy Frost then Partly Sunny | 0 to 7 mph SW | 12% |
| Sunday Night | 35°F | Partly Cloudy then Slight Chance Light Rain | 5 mph W | 17% |
| Monday | 62°F | Slight Chance Light Rain | 3 to 9 mph W | 23% |
| Monday Night | 36°F | Slight Chance Light Rain then Patchy Frost | 6 mph SW | 20% |
| Tuesday | 65°F | Patchy Frost then Mostly Sunny | 7 to 12 mph SW | 4% |
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 Nov 4, 2026.