St. Mary's County Regional Airport Weather Forecast

    • 36
    • 36

    Rain Likely

    • 33
    • 44

    Slight Chance Rain

    • 42
    • 49

    Rain Likely

    • 29
    • 61

    Rain Likely

    • 25
    • 38

    Mostly Sunny

    • 28
    • 43

    Partly Sunny

Today 26 Dec St. Marys

Mostly cloudy. A chance of rain and sleet in the afternoon. Cooler with Highs in the upper 30s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast in the afternoon. Chance of precipitation 50 percent.

Tonight 26 Dec St. Marys

Rain. A slight chance of drizzle after midnight. Lows in the upper 30s. South Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 80 percent.

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St. Mary's County Regional Airport Temperature Statistics

December Temperature

St Marys County Airport (0 miles)

  • Lowest 15 December, 2025

    14.9 °F

  • Average December

    36.3 °F

  • Highest 19 December, 2025

    59.4 °F

Climate (2020–Present)

St Marys County Airport (0 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    66.7 °F
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