Port Republic Weather Forecast

    • 63
    • 80

    Mostly Sunny

    • 61
    • 78

    Mostly Sunny

    • 64
    • 80

    Partly Sunny

    • 60
    • 79

    Slight Chance Thunderstorms

    • 60
    • 76

    Mostly Sunny

    • 62
    • 77

    Partly Sunny

Today 26 Aug Calvert

Sunny. Highs around 80. Northwest Winds around 5 Mph.

Tonight 26 Aug Calvert

Partly cloudy. Lows in the lower 60s. North Winds 5 to 10 Mph.

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Port Republic Temperature Statistics

August Temperature

St Marys County Airport (12.4 miles)

  • Lowest 4 August, 2025

    55.4 °F

  • Average August

    72.3 °F

  • Highest 17 August, 2025

    90.5 °F

Climate (2020–Present)

St Marys County Airport (12.4 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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