St. Mary's County Regional Airport Weather Forecast

    • 41
    • 57

    Rain Showers Likely

    • 46
    • 59

    Mostly Sunny

    • 48
    • 61

    Mostly Cloudy

    • 51
    • 66

    Partly Sunny

    • 49
    • 64

    Partly Sunny

    • 50
    • 63

    Partly Sunny

Today 17 Oct St. Marys

Rain late this Morning, then a chance of rain this afternoon. Cooler with Highs in the upper 50s. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

Tonight 17 Oct St. Marys

Partly cloudy in the Evening, then clearing. Lows in the lower 40s. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Mary's County Regional Airport Temperature Statistics

October Temperature

St Marys County Airport (0 miles)

  • Lowest 7 October, 2026

    44.2 °F

  • Average October

    65.5 °F

  • Highest 14 October, 2026

    89.8 °F

Climate (2021–2026)

St Marys County Airport (0 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    67 °F
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