Potomac River - Weir Creek Entrance Weather Forecast

    • 44
    • 54

    Mostly Cloudy

    • 55
    • 70

    Chance Rain Showers

    • 51
    • 69

    Chance Rain Showers

    • 60
    • 77

    Chance Rain Showers

    • 50
    • 69

    Chance Rain Showers

    • 56
    • 68

    Slight Chance Rain Showers

    • 63
    • 77

    Partly Sunny

Today 4 Mar Charles

Mostly cloudy with a 20 percent chance of rain. Highs in the upper 50s. Northeast Winds around 5 Mph.

Tonight 4 Mar Charles

Cloudy. Areas of drizzle. Areas of fog. Lows in the mid 40s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac River - Weir Creek Entrance Temperature Statistics

March Temperature

St Marys County Airport (19.9 miles)

  • Lowest 2 March, 2026

    31.5 °F

  • Average March

    39.1 °F

  • Highest 1 March, 2026

    50.7 °F

Climate (2021–Present)

St Marys County Airport (19.9 miles)

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  • Average Low 2021–2026

    49.2 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    66.6 °F
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