Patapsco River - Fort McHenry Marsh Weather Forecast

    • 71
    • 88

    Mostly Sunny

    • 71
    • 88

    Partly Sunny

    • 74
    • 91

    Mostly Sunny

    • 78
    • 97

    Slight Chance Thunderstorms

    • 76
    • 95

    Chance Thunderstorms

    • 74
    • 89

    Rain Showers Likely

    • 74
    • 90

    Chance Rain Showers

Today 22 Jul Southern Baltimore

Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 22 Jul Southern Baltimore

Mostly clear in the Evening, then becoming partly cloudy. Lows around 70. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Patapsco River - Fort McHenry Marsh Temperature Statistics

July Temperature

Baltimore, Inner Harbor (1.9 miles)

  • Lowest 6 July, 2025

    72 °F

  • Average July

    84.7 °F

  • Highest 8 July, 2025

    99 °F

Climate (2022–Present)

Baltimore, Inner Harbor (1.9 miles)

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  • Average Low 2022–2025

    54.2 °F

  • Average 2022–2025

    61.4 °F

  • Average High 2022–2025

    69.1 °F
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