Chesapeake Bay - Severn River Entrance Weather Forecast

    • 65
    • 83

    Chance Thunderstorms

    • 71
    • 86

    Mostly Sunny

    • 61
    • 86

    Rain Showers Likely

    • 58
    • 74

    Partly Sunny

    • 57
    • 74

    Mostly Sunny

    • 58
    • 76

    Partly Sunny

Today 4 Sep Anne Arundel

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 4 Sep Anne Arundel

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming southwest around 5 Mph after midnight. Chance of rain 50 percent.

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Chesapeake Bay - Severn River Entrance Temperature Statistics

September Temperature

Annapolis, United States Naval Academy (1.2 miles)

  • Lowest 1 September, 2025

    60.1 °F

  • Average September

    69.3 °F

  • Highest 1 September, 2025

    80.1 °F

Climate (2020–Present)

Annapolis, United States Naval Academy (1.2 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    59.5 °F

  • Average High 2020–2025

    66.4 °F
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