Patapsco River - Fort McHenry Marsh Weather Forecast

    • 67
    • 79

    Slight Chance Rain Showers

    • 63
    • 84

    Rain Showers Likely

    • 59
    • 73

    Chance Rain Showers

    • 57
    • 68

    Chance Rain Showers

    • 57
    • 65

    Chance Rain Showers

    • 56
    • 66

    Chance Rain Showers

Today 19 Sep Southern Baltimore

Partly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 19 Sep Southern Baltimore

Cloudy. A slight chance of Showers after midnight. Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Patapsco River - Fort McHenry Marsh Temperature Statistics

September Temperature

Baltimore, Inner Harbor (1.9 miles)

  • Lowest 15 September, 2026

    60.1 °F

  • Average September

    77.6 °F

  • Highest 1 September, 2026

    96.1 °F

Climate (2022–2026)

Baltimore, Inner Harbor (1.9 miles)

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  • Average Low 2022–2026

    54.1 °F

  • Average 2022–2026

    61.4 °F

  • Average High 2022–2026

    69.1 °F
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