Port Republic Weather Forecast

    • 53
    • 71

    Chance Rain Showers

    • 47
    • 66

    Mostly Sunny

    • 44
    • 64

    Mostly Sunny

    • 45
    • 62

    Partly Sunny

    • 47
    • 60

    Partly Sunny

    • 49
    • 60

    Partly Sunny

Today 21 Oct Calvert

Sunny. Highs in the lower 70s. South Winds 10 to 15 Mph.

Tonight 21 Oct Calvert

Mostly cloudy in the Evening, then becoming partly cloudy. A 50 percent chance of Showers. Lows in the lower 50s. Southwest Winds 5 to 10 Mph.

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Port Republic Temperature Statistics

October Temperature

St Marys County Airport (12.4 miles)

  • Lowest 17 October, 2025

    41.4 °F

  • Average October

    61.2 °F

  • Highest 7 October, 2025

    80.8 °F

Climate (2020–Present)

St Marys County Airport (12.4 miles)

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  • Average Low 2020–2025

    49.7 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    66.8 °F
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