Chesapeake Bay - Brannock Bay Weather Forecast

    • 70
    • 78

    Mostly Cloudy

    • 70
    • 81

    Chance Thunderstorms

    • 68
    • 74

    Chance Rain Showers

    • 65
    • 71

    Chance Rain Showers

    • 64
    • 69

    Chance Rain Showers

    • 62
    • 68

    Chance Rain Showers

    • 62
    • 68

    Chance Rain Showers

Today 19 Sep Dorchester

Partly sunny. Highs in the lower 70s.

Tonight 19 Sep Dorchester

Partly cloudy. Lows in the upper 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Bay - Brannock Bay Temperature Statistics

September Temperature

Cambridge-Dorchester Airport (13.7 miles)

  • Lowest 16 September, 2026

    57.2 °F

  • Average September

    75.1 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Cambridge-Dorchester Airport (13.7 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.7 °F
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