Patapsco River - Francis Scott Key Bridge Weather Forecast

    • 22
    • 30

    Decreasing Clouds

    • 30
    • 34

    Mostly Sunny

    • 32
    • 45

    Partly Sunny

    • 42
    • 52

    Rain

    • 29
    • 48

    Partly Sunny

    • 39
    • 41

    Mostly Cloudy

    • 34
    • 49

    Slight Chance Rain

Today 15 Dec Anne Arundel

Mostly cloudy. Highs in the lower 30s. West Winds 5 to 10 Mph.

Tonight 15 Dec Anne Arundel

Partly cloudy in the Evening, then clearing. Lows around 18. Southwest Winds around 5 Mph.

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Patapsco River - Francis Scott Key Bridge Temperature Statistics

December Temperature

Baltimore, Inner Harbor (6.2 miles)

  • Lowest 9 December, 2025

    21 °F

  • Average December

    35.4 °F

  • Highest 10 December, 2025

    46 °F

Climate (2022–Present)

Baltimore, Inner Harbor (6.2 miles)

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  • Average Low 2022–2025

    54.5 °F

  • Average 2022–2025

    61.7 °F

  • Average High 2022–2025

    69.3 °F
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