Chesapeake Bay - Patapsco River Entrance Weather Forecast

    • 69
    • 81

    Becoming Sunny

    • 67
    • 80

    Mostly Sunny

    • 67
    • 79

    Mostly Sunny

    • 69
    • 82

    Partly Sunny

    • 75
    • 85

    Mostly Sunny

    • 70
    • 88

    Chance Rain Showers

    • 66
    • 79

    Mostly Sunny

Today 5 Sep Anne Arundel

Partly sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 5 Sep Anne Arundel

Partly cloudy in the Evening, then clearing. Lows in the mid 60s. Northeast Winds around 5 Mph.

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Chesapeake Bay - Patapsco River Entrance Temperature Statistics

September Temperature

Baltimore, Inner Harbor (8.1 miles)

  • Lowest 2 September, 2026

    73 °F

  • Average September

    81.5 °F

  • Highest 1 September, 2026

    96.1 °F

Climate (2022–2026)

Baltimore, Inner Harbor (8.1 miles)

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  • Average Low 2022–2026

    54 °F

  • Average 2022–2026

    61.2 °F

  • Average High 2022–2026

    68.9 °F
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