Chesapeake Bay - Spring Island Weather Forecast

    • 77
    • 85

    Chance Thunderstorms

    • 79
    • 83

    Chance Thunderstorms

    • 76
    • 86

    Chance Thunderstorms

    • 73
    • 81

    Mostly Sunny

    • 75
    • 81

    Partly Sunny

    • 76
    • 82

    Slight Chance Thunderstorms

Today 18 Jul Dorchester

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. North Winds 5 to 10 Mph, becoming northwest this afternoon. Chance of rain 20 percent.

Tonight 18 Jul Dorchester

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms. Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 40 percent.

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Chesapeake Bay - Spring Island Temperature Statistics

July Temperature

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (19.3 miles)

  • Lowest 5 July, 2025

    66 °F

  • Average July

    80.2 °F

  • Highest 8 July, 2025

    93.7 °F

Climate (2020–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (19.3 miles)

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    60.9 °F

  • Average High 2020–2025

    69.3 °F
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