St Marys River State Park Weather Forecast

    • 72
    • 94

    Increasing Clouds

    • 70
    • 91

    Slight Chance Thunderstorms

    • 61
    • 84

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

    • 71
    • 87

    Chance Rain Showers

    • 74
    • 91

    Chance Thunderstorms

Today 6 Jun St. Marys

Mostly sunny. Highs in the lower 90s. Southwest Winds 5 to 10 Mph.

Tonight 6 Jun St. Marys

Partly cloudy. Lows in the upper 60s. South 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 3 June, 2026

    50.9 °F

  • Average June

    65.7 °F

  • Highest 3 June, 2026

    79.2 °F

Climate (2021–Present)

St Marys County Airport (3.1 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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