Cape St Claire Weather Forecast

    • 64
    • 80

    Sunny

    • 65
    • 83

    Mostly Sunny

    • 64
    • 76

    Mostly Cloudy

    • 63
    • 74

    Mostly Cloudy

    • 66
    • 77

    Partly Sunny

    • 67
    • 80

    Mostly Cloudy

    • 65
    • 78

    Slight Chance Rain Showers

Today 18 Sep Anne Arundel

Sunny. Highs in the lower 80s. Southwest Winds around 5 Mph.

Tonight 18 Sep Anne Arundel

Clear. Lows in the lower 60s. Southwest Winds around 5 Mph.

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Cape St Claire Temperature Statistics

September Temperature

Annapolis, United States Naval Academy (3.7 miles)

  • Lowest 1 September, 2025

    60.1 °F

  • Average September

    70.3 °F

  • Highest 6 September, 2025

    84.9 °F

Climate (2020–Present)

Annapolis, United States Naval Academy (3.7 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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