St. Marys, WV Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Marys, a city in Pleasants County, West Virginia.
Today
86°F
Sunny
Sunny, with a high near 86. Northeast wind around 2 mph.
7-day forecast for St. Marys
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 2 mph NE | 1% |
| Tonight | 68°F | Partly Cloudy then Patchy Fog | 2 mph E | 2% |
| Wednesday | 86°F | Patchy Fog then Chance Showers And Thunderstorms | 2 mph SE | 28% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 mph S | 61% |
| Thursday | 85°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 66% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely | 3 mph S | 66% |
| Friday | 84°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 6 mph SW | 75% |
| Friday Night | 68°F | Showers And Thunderstorms | 3 mph SW | 75% |
| Saturday | 84°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 57% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 3 mph SW | 57% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 23% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 3 mph SW | 23% |
| Monday | 87°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 27% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 39% |
Forecast source: National Weather Service (api.weather.gov) for St. Marys (39.394, -81.204). Updated through the day.
Growing snapshot for St. Marys
Last spring frost
Apr 23
First fall frost
Oct 26
Growing season
185 days
Hardiness zone
6b
More local growing data for St. Marys: nearby ZIP 26170 weather · frost dates · planting calendar · West Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Newport, Oh (3.1 mi from St. Marys). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.