Potomac River - Lawson Point Weather Forecast

    • 57
    • 70

    Mostly Sunny

    • 59
    • 72

    Chance Rain Showers

    • 57
    • 75

    Rain Showers

    • 49
    • 65

    Rain Showers Likely

    • 53
    • 66

    Partly Sunny

    • 55
    • 70

    Rain Showers Likely

    • 54
    • 69

    Chance Rain Showers

Today 8 May St. Marys

Sunny. Highs in the upper 60s. South Winds 5 to 10 Mph.

Tonight 8 May St. Marys

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 50s. South Winds 5 to 10 Mph.

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Potomac River - Lawson Point Temperature Statistics

May Temperature

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

  • Lowest 3 May, 2026

    46 °F

  • Average May

    60.4 °F

  • Highest 5 May, 2026

    82.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    51.9 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    68.8 °F
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