Patuxent River - Thomas Johnson Bridge Weather Forecast

    • 68
    • 80

    Partly Sunny

    • 73
    • 82

    Increasing Clouds

    • 73
    • 87

    Rain Showers Likely

    • 71
    • 84

    Rain Showers Likely

    • 70
    • 80

    Partly Sunny

    • 70
    • 83

    Mostly Sunny

    • 73
    • 86

    Mostly Sunny

Today 24 Jun St. Marys

Mostly sunny. Highs in the lower 80s. Southwest Winds around 5 Mph.

Tonight 24 Jun St. Marys

Mostly clear. Lows in the mid 60s. South Winds around 5 Mph.

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Patuxent River - Thomas Johnson Bridge Temperature Statistics

June Temperature

St Marys County Airport (3.7 miles)

  • Lowest 3 June, 2026

    50.9 °F

  • Average June

    75.3 °F

  • Highest 12 June, 2026

    100.6 °F

Climate (2021–2026)

St Marys County Airport (3.7 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.8 °F
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