St. Marys Weather Forecast
- 61
- 76
Chance Rain
- 50
- 78
Rain
- 46
- 62
Slight Chance Rain
- 55
- 72
Partly Sunny
- 61
- 74
Chance Rain
- 40
- 76
Rain Likely
Today 6 Mar Pleasants
Mostly cloudy in the Morning, then becoming mostly sunny. Patchy fog in the morning. A chance of rain. A slight chance of Thunderstorms in the afternoon. Highs in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 50 percent.
Tonight 6 Mar Pleasants
Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.
St. Marys Temperature Statistics
March Temperature
Parkersburg, Mid-Ohio Valley Regional Airport (13 miles)
Lowest 2 March, 2026
27 °FAverage March
39.8 °FHighest 3 March, 2026
57 °F
Climate (2021–Present)
Parkersburg, Mid-Ohio Valley Regional Airport (13 miles)
Average Low 2021–2026
45.1 °FAverage 2021–2026
55.5 °FAverage High 2021–2026
66.2 °F