St. Mary's County Regional Airport Weather Forecast
- 66
- 81
Decreasing Clouds
- 72
- 86
Slight Chance Rain Showers
- 73
- 89
Partly Sunny
- 73
- 90
Partly Sunny
- 74
- 91
Slight Chance Thunderstorms
- 71
- 91
Chance Rain Showers
Today 29 Aug St. Marys
Partly sunny. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.
Tonight 29 Aug St. Marys
Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 60s. Southeast Winds around 5 Mph.
St. Mary's County Regional Airport Temperature Statistics
August Temperature
St Marys County Airport (0 miles)
Lowest 24 August, 2026
60.4 °FAverage August
77.9 °FHighest 9 August, 2026
92.3 °F
Climate (2021–2026)
St Marys County Airport (0 miles)
Average Low 2021–2026
49.4 °FAverage 2021–2026
58.1 °FAverage High 2021–2026
66.9 °F