Potomac River - Lawson Point Weather Forecast

    • 37
    • 59

    Rain Showers

    • 38
    • 47

    Partly Sunny

    • 46
    • 55

    Partly Sunny

    • 54
    • 67

    Chance Rain

    • 36
    • 64

    Chance Rain

    • 35
    • 47

    Mostly Sunny

Today 23 Mar St. Marys

Mostly cloudy this Morning, then becoming mostly sunny. Scattered Showers with isolated Thunderstorms this Morning, then scattered Showers this afternoon. Highs in the lower 60s. North Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon. Chance of rain 50 percent.

Tonight 23 Mar St. Marys

Mostly clear. Cooler with Lows in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Potomac River - Lawson Point Temperature Statistics

March Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

  • Lowest 18 March, 2026

    28.9 °F

  • Average March

    51.7 °F

  • Highest 11 March, 2026

    82 °F

Climate (2021–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    68.9 °F
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