Port Republic Weather Forecast

    • 32
    • 37

    Freezing Drizzle

    • 30
    • 44

    Partly Sunny

    • 30
    • 45

    Mostly Cloudy

    • 23
    • 37

    Partly Sunny

    • 32
    • 40

    Partly Sunny

    • 37
    • 49

    Chance Rain

    • 32
    • 48

    Slight Chance Rain

Today 5 Dec Calvert

Cloudy with a chance of snow and rain. Patchy fog. Highs in the mid 30s. North Winds around 5 Mph. Chance of precipitation 50 percent.

Tonight 5 Dec Calvert

Cloudy. Freezing drizzle with a slight chance of rain in the Evening, then freezing drizzle with a slight chance of freezing rain after midnight. Patchy fog. Lows in the lower 30s. North Winds around 5 Mph. Chance of precipitation 20 percent.

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Port Republic Temperature Statistics

December Temperature

St Marys County Airport (12.4 miles)

  • Lowest 1 December, 2025

    28.6 °F

  • Average December

    36.6 °F

  • Highest 1 December, 2025

    45.7 °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

    58.1 °F

  • Average High 2020–2025

    66.8 °F
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