Patuxent River - Thomas Johnson Bridge Weather Forecast

    • 57
    • 72

    Rain Showers

    • 54
    • 75

    Chance Rain Showers

    • 49
    • 62

    Rain Showers

    • 52
    • 62

    Partly Sunny

    • 55
    • 67

    Rain Showers Likely

    • 54
    • 71

    Chance Rain Showers

Today 9 May St. Marys

Mostly cloudy. Scattered Showers with isolated Thunderstorms this afternoon. Highs in the lower 70s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 9 May St. Marys

Partly cloudy with scattered Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 50s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Patuxent River - Thomas Johnson Bridge Temperature Statistics

May Temperature

St Marys County Airport (3.7 miles)

  • Lowest 1 May, 2026

    39.9 °F

  • Average May

    59 °F

  • Highest 5 May, 2026

    83.7 °F

Climate (2021–Present)

St Marys County Airport (3.7 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    66.7 °F
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