Potomac River - Cornfield Harbor Weather Forecast

    • 38
    • 49

    Mostly Sunny

    • 31
    • 49

    Becoming Sunny

    • 28
    • 38

    Mostly Sunny

    • 36
    • 40

    Slight Chance Snow

    • 37
    • 41

    Wintry Mix Likely

    • 30
    • 41

    Chance Rain/Snow

    • 30
    • 37

    Slight Chance Snow

Today 21 Jan St. Marys

Sunny. Highs in the lower 50s. Southwest Winds 5 to 10 Mph.

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Potomac River - Cornfield Harbor Temperature Statistics

January Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (6.8 miles)

  • Lowest 11 January, 2021

    28.9 °F

  • Average January

    42.1 °F

  • Highest 2 January, 2021

    55 °F

Climate (2010–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (6.8 miles)

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  • Average Low 2010–Present

    53.5 °F

  • Average 2010–Present

    61 °F

  • Average High 2010–Present

    68.8 °F
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