Chesapeake Bay - South River Entrance Weather Forecast

    • 66
    • 78

    Mostly Sunny

    • 66
    • 82

    Chance Thunderstorms

    • 70
    • 85

    Mostly Sunny

    • 62
    • 84

    Rain Showers Likely

    • 59
    • 73

    Slight Chance Rain Showers

    • 59
    • 74

    Partly Sunny

    • 60
    • 74

    Partly Sunny

Today 3 Sep Anne Arundel

Mostly sunny. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 3 Sep Anne Arundel

Mostly clear. Lows in the lower 60s. South Winds around 5 Mph. Gusts up to 20 Mph after midnight.

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Chesapeake Bay - South River Entrance Temperature Statistics

September Temperature

Annapolis, United States Naval Academy (5.6 miles)

  • Lowest 1 September, 2025

    60.1 °F

  • Average September

    70 °F

  • Highest 1 September, 2025

    80.1 °F

Climate (2020–Present)

Annapolis, United States Naval Academy (5.6 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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