Patapsco River - Fort McHenry Marsh Weather Forecast

    • 77
    • 92

    Thunderstorms Likely

    • 77
    • 96

    Chance Thunderstorms

    • 74
    • 91

    Slight Chance Thunderstorms

    • 74
    • 88

    Chance Thunderstorms

    • 72
    • 91

    Rain Showers Likely

    • 71
    • 87

    Slight Chance Rain Showers

    • 72
    • 88

    Chance Rain Showers

Today 16 Jul Southern Baltimore

Mostly cloudy with a chance of Showers and Thunderstorms. Highs around 90. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 16 Jul Southern Baltimore

Mostly cloudy. Showers and Thunderstorms Likely, mainly this evening. Some Thunderstorms may produce heavy rainfall this evening. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • 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

    84.4 °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 °F

  • Average 2022–2025

    61.2 °F

  • Average High 2022–2025

    68.9 °F
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