Chesapeake Bay - Johnson Cove Weather Forecast

    • 67
    • 75

    Rain Showers

    • 71
    • 79

    Sunny

    • 74
    • 79

    Mostly Sunny

    • 73
    • 80

    Chance Rain Showers

    • 70
    • 81

    Chance Rain Showers

    • 67
    • 77

    Partly Sunny

    • 68
    • 75

    Mostly Sunny

Today 21 Aug Dorchester

Cloudy with isolated Showers. Breezy with Highs in the mid 70s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 21 Aug Dorchester

Partly cloudy this Evening, then clearing. Lows in the lower 60s. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesapeake Bay - Johnson Cove Temperature Statistics

August Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (19.9 miles)

  • Lowest 4 August, 2025

    58.6 °F

  • Average August

    74.6 °F

  • Highest 17 August, 2025

    90.6 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (19.9 miles)

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  • Average Low 2020–2025

    52.4 °F

  • Average 2020–2025

    60.8 °F

  • Average High 2020–2025

    69.2 °F
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