Port Republic Weather Forecast

    • 46
    • 65

    Mostly Sunny

    • 54
    • 65

    Mostly Sunny

    • 45
    • 73

    Rain Likely

    • 34
    • 55

    Chance Rain

    • 41
    • 53

    Partly Sunny

    • 41
    • 54

    Partly Sunny

Today 9 Mar Calvert

Sunny. Highs in the upper 60s. Southeast Winds around 5 Mph.

Tonight 9 Mar Calvert

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Republic Temperature Statistics

March Temperature

St Marys County Airport (12.4 miles)

  • Lowest 2 March, 2026

    31.5 °F

  • Average March

    44.7 °F

  • Highest 7 March, 2026

    68.9 °F

Climate (2021–Present)

St Marys County Airport (12.4 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    66.6 °F
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