Chesapeake Bay - Patapsco River Entrance Weather Forecast

    • 74
    • 84

    Rain Showers Likely

    • 75
    • 88

    Rain Showers

    • 69
    • 86

    Chance Thunderstorms

    • 69
    • 81

    Mostly Sunny

    • 71
    • 78

    Partly Sunny

    • 72
    • 80

    Partly Sunny

Today 20 Jul Anne Arundel

Mostly sunny. Highs in the upper 80s. East Winds 5 to 10 Mph.

Tonight 20 Jul Anne Arundel

Partly cloudy in the Evening, then mostly cloudy with Showers likely with a slight chance of Thunderstorms after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 60 percent.

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Chesapeake Bay - Patapsco River Entrance Temperature Statistics

July Temperature

Baltimore, Inner Harbor (8.1 miles)

  • Lowest 7 July, 2026

    70 °F

  • Average July

    83.2 °F

  • Highest 4 July, 2026

    104 °F

Climate (2022–2026)

Baltimore, Inner Harbor (8.1 miles)

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  • Average Low 2022–2026

    53.4 °F

  • Average 2022–2026

    60.6 °F

  • Average High 2022–2026

    68.3 °F
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