Chesapeake Harbor Weather Forecast

    • 66
    • 69

    Chance Rain Showers

    • 66
    • 78

    Becoming Sunny

    • 66
    • 82

    Mostly Sunny

    • 66
    • 76

    Partly Sunny

    • 66
    • 74

    Partly Sunny

    • 66
    • 76

    Partly Sunny

    • 68
    • 77

    Partly Sunny

Today 17 Sep Anne Arundel

Cloudy with a 50 percent chance of Showers. Highs in the upper 60s. Northeast Winds 10 to 15 Mph.

Tonight 17 Sep Anne Arundel

Mostly cloudy. A chance of Showers this evening. Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of rain 30 percent.

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Chesapeake Harbor Temperature Statistics

September Temperature

Annapolis, United States Naval Academy (1.9 miles)

  • Lowest 1 September, 2025

    60.1 °F

  • Average September

    70.6 °F

  • Highest 6 September, 2025

    84.9 °F

Climate (2020–Present)

Annapolis, United States Naval Academy (1.9 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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