Potomac River - Lawson Point Weather Forecast

    • 62
    • 68

    Rain Showers Likely

    • 59
    • 69

    Mostly Cloudy

    • 61
    • 70

    Partly Sunny

    • 61
    • 72

    Mostly Cloudy

    • 61
    • 72

    Slight Chance Rain Showers

    • 61
    • 73

    Partly Sunny

Today 23 Sep St. Marys

Cloudy. Showers Likely, mainly in the morning. Highs in the mid 60s. Northeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 23 Sep St. Marys

Mostly cloudy. A slight chance of Showers in the evening. Lows in the upper 50s. Northeast Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.

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Potomac River - Lawson Point Temperature Statistics

September Temperature

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

  • Lowest 16 September, 2026

    59 °F

  • Average September

    76.5 °F

  • Highest 1 September, 2026

    91.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    68.6 °F
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