St Marys River State Park Weather Forecast

    • 78
    • 99

    Hot

    • 76
    • 95

    Chance Thunderstorms

    • 73
    • 93

    Chance Thunderstorms

    • 72
    • 83

    Chance Thunderstorms

    • 74
    • 88

    Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

Today 24 Jun St. Marys

Sunny, hot with Highs in the upper 90s. Northwest Winds around 5 Mph. Heat index Values up to 112.

Tonight 24 Jun St. Marys

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 70s. West Winds around 5 Mph.

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St Marys River State Park Temperature Statistics

June Temperature

St Marys County Airport (3.1 miles)

  • Lowest 1 June, 2025

    46.4 °F

  • Average June

    72.6 °F

  • Highest 18 June, 2025

    89.6 °F

Climate (2020–Present)

St Marys County Airport (3.1 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    66.7 °F
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