Potomac River - Weir Creek Entrance Weather Forecast

    • 64
    • 78

    Rain Showers

    • 50
    • 69

    Rain Showers

    • 49
    • 62

    Mostly Sunny

    • 56
    • 65

    Mostly Cloudy

    • 57
    • 66

    Chance Rain Showers

    • 55
    • 63

    Chance Rain Showers

Today 7 Oct Charles

Mostly sunny. Highs around 80. South Winds 5 to 10 Mph.

Tonight 7 Oct Charles

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.

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Potomac River - Weir Creek Entrance Temperature Statistics

October Temperature

St Marys County Airport (19.9 miles)

  • Lowest 3 October, 2025

    47.1 °F
  • Average October

    61.1 °F
  • Highest 4 October, 2025

    76.1 °F

Climate (2020–Present)

St Marys County Airport (19.9 miles)

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  • Average Low 2020–2025

    49.7 °F
  • Average 2020–2025

    58.1 °F
  • Average High 2020–2025

    66.8 °F
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