St. Marys, WV Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. Northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 2 mph NE | 2% |
| Tonight | 68°F | Partly Cloudy | 2 mph E | 2% |
| Wednesday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 3 mph S | 27% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 mph S | 61% |
| Thursday | 83°F | Showers And Thunderstorms Likely | 5 mph SW | 67% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely | 3 mph S | 67% |
| Friday | 83°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph SW | 74% |
| Friday Night | 68°F | Showers And Thunderstorms Likely | 3 mph SW | 74% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 5 mph SW | 59% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 59% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 24% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 3 mph SW | 24% |
| Monday | 85°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 27% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SW | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Marys, WV
Last spring frost
Apr 23
First fall frost
Oct 26
Growing season
185 days
Hardiness zone
6b
Explore more for St. Marys, WV: full frost dates · planting calendar · West Virginia frost dates
Climate data from the nearest NOAA station, Newport, Oh (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.