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.
Overnight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Southeast wind around 6 mph.
7-day forecast for St. Marys
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Partly Cloudy | 6 mph SE | 2% |
| Wednesday | 76°F | Mostly Cloudy then Light Rain | 6 to 9 mph S | 85% |
| Wednesday Night | 59°F | Light Rain | 5 to 9 mph S | 100% |
| Thursday | 71°F | Mostly Sunny | 3 to 8 mph SW | 7% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 3 mph SW | 2% |
| Friday | 67°F | Mostly Sunny | 1 to 6 mph W | 14% |
| Friday Night | 40°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph W | 15% |
| Saturday | 56°F | Slight Chance Light Rain | 3 to 7 mph W | 15% |
| Saturday Night | 34°F | Mostly Cloudy | 1 to 5 mph W | 8% |
| Sunday | 59°F | Mostly Sunny | 1 to 7 mph W | 3% |
| Sunday Night | 32°F | Mostly Clear | 5 mph W | 5% |
| Monday | 60°F | Sunny | 2 to 7 mph SW | 6% |
| Monday Night | 34°F | Mostly Clear | 3 mph SW | 4% |
| Tuesday | 64°F | Sunny | 3 to 8 mph SW | 1% |
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 Nov 4, 2026.