St. Mary's County Regional Airport Weather Forecast

    • 70
    • 87

    Rain Showers

    • 69
    • 85

    Mostly Cloudy

    • 67
    • 85

    Mostly Sunny

    • 72
    • 89

    Sunny

    • 77
    • 97

    Hot

    • 76
    • 96

    Partly Sunny

Today 11 Jul St. Marys

Mostly cloudy. A chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. West Winds around 5 Mph, becoming north in the afternoon. Chance of rain 50 percent.

Tonight 11 Jul St. Marys

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. Northeast Winds around 5 Mph. Chance of rain 70 percent.

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St. Mary's County Regional Airport Temperature Statistics

July Temperature

St Marys County Airport (0 miles)

  • Lowest 5 July, 2026

    70.7 °F

  • Average July

    82.6 °F

  • Highest 3 July, 2026

    100 °F

Climate (2021–2026)

St Marys County Airport (0 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.9 °F
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