St. Marys, WV Weather & Growing Conditions
This Afternoon
83°F
Sunny
Sunny, with a high near 83. South wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Sunny | 1 mph S | 1% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 54% |
| Sunday | 82°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph SW | 60% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 2 to 6 mph N | 44% |
| Monday | 74°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph NE | 42% |
| Monday Night | 59°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph NE | 63% |
| Tuesday | 73°F | Showers And Thunderstorms Likely | 5 mph NE | 73% |
| Tuesday Night | 58°F | Showers And Thunderstorms | 8 mph E | 83% |
| Wednesday | 70°F | Showers And Thunderstorms | 8 mph E | 80% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 6 to 10 mph E | 72% |
| Thursday | 70°F | Rain Showers Likely | 6 mph NE | 56% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph NE | 16% |
| Friday | 70°F | Mostly Sunny | 5 mph NE | 11% |
| Friday Night | 51°F | Partly Cloudy | 5 mph N | 11% |
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 Sep 20, 2026.