Port Republic Weather Forecast

    • 36
    • 40

    Increasing Clouds

    • 29
    • 50

    Mostly Sunny

    • 14
    • 40

    Slight Chance Snow

    • 15
    • 21

    Snow

    • 18
    • 24

    Snow Likely

    • 11
    • 28

    Mostly Sunny

Today 21 Jan Calvert

Sunny. Highs around 40. Southeast Winds 5 to 10 Mph, becoming south 10 to 15 Mph in the afternoon.

Tonight 21 Jan Calvert

Mostly clear. Lows around 20. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Port Republic Temperature Statistics

January Temperature

St Marys County Airport (12.4 miles)

  • Lowest 16 January, 2026

    20.7 °F

  • Average January

    39.7 °F

  • Highest 7 January, 2026

    65.7 °F

Climate (2021–Present)

St Marys County Airport (12.4 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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