Chesapeake Bay - South River Entrance Weather Forecast

    • 64
    • 74

    Rain Showers

    • 60
    • 68

    Rain Showers

    • 59
    • 68

    Chance Rain Showers

    • 58
    • 68

    Chance Rain Showers

    • 59
    • 68

    Slight Chance Rain Showers

    • 60
    • 68

    Partly Sunny

Today 21 Sep Anne Arundel

Showers. Highs in the mid 70s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 21 Sep Anne Arundel

Cloudy. A chance of rain in the Evening, then rain after midnight. Lows in the lower 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Bay - South River Entrance Temperature Statistics

September Temperature

Annapolis, United States Naval Academy (5.6 miles)

  • Lowest 16 September, 2026

    63.6 °F

  • Average September

    77.1 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Annapolis, United States Naval Academy (5.6 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    59.4 °F

  • Average High 2021–2026

    66.4 °F
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