Patapsco River - Fort McHenry Anchorage Weather Forecast

    • 76
    • 87

    Mostly Sunny

    • 71
    • 87

    Rain Showers Likely

    • 70
    • 81

    Partly Sunny

    • 73
    • 80

    Chance Rain Showers

    • 73
    • 84

    Slight Chance Thunderstorms

    • 73
    • 84

    Slight Chance Thunderstorms

Today 9 Sep Southern Baltimore

Sunny. Highs in the upper 80s. Southwest Winds 10 to 15 Mph.

Tonight 9 Sep Southern Baltimore

Mostly clear. Lows in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Patapsco River - Fort McHenry Anchorage Temperature Statistics

September Temperature

Baltimore, Inner Harbor (3.7 miles)

  • Lowest 7 September, 2026

    64.9 °F

  • Average September

    78.8 °F

  • Highest 1 September, 2026

    96.1 °F

Climate (2022–2026)

Baltimore, Inner Harbor (3.7 miles)

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  • Average Low 2022–2026

    54 °F

  • Average 2022–2026

    61.3 °F

  • Average High 2022–2026

    69 °F
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