Patapsco River - Fort McHenry Anchorage Weather Forecast

    • 27
    • 57

    Breezy

    • 36
    • 42

    Increasing Clouds

    • 27
    • 47

    Partly Sunny

    • 32
    • 38

    Chance Snow

    • 39
    • 45

    Mostly Cloudy

    • 38
    • 47

    Slight Chance Rain/Snow

    • 48
    • 52

    Slight Chance Rain

Today 19 Dec Southern Baltimore

Mostly sunny and windy. Highs in the upper 50s. Temperature falling into the upper 30s late. West Winds 20 to 30 Mph with Gusts up to 50 Mph.

Tonight 19 Dec Southern Baltimore

Partly cloudy this Evening, then becoming mostly clear. Blustery with Lows in the mid 20s. West Winds 15 to 25 Mph with Gusts up to 50 Mph, Diminishing to 10 to 15 Mph with Gusts up to 25 Mph after midnight.

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Patapsco River - Fort McHenry Anchorage Temperature Statistics

December Temperature

Baltimore, Inner Harbor (3.7 miles)

  • Lowest 15 December, 2025

    19 °F

  • Average December

    34 °F

  • Highest 17 December, 2025

    48.9 °F

Climate (2022–Present)

Baltimore, Inner Harbor (3.7 miles)

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  • Average Low 2022–2025

    54.4 °F

  • Average 2022–2025

    61.6 °F

  • Average High 2022–2025

    69.2 °F
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