Chesapeake Bay - Long Beach Weather Forecast

    • 75
    • 88

    Rain Showers

    • 71
    • 86

    Rain Showers

    • 69
    • 79

    Mostly Sunny

    • 70
    • 79

    Partly Sunny

    • 71
    • 79

    Partly Sunny

    • 73
    • 83

    Mostly Sunny

Today 21 Jul Calvert

Mostly cloudy. Scattered Showers and Thunderstorms in the Morning, then numerous Showers and Thunderstorms in the afternoon. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall in the afternoon. Highs in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 21 Jul Calvert

Showers. Numerous Thunderstorms, mainly in the evening. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall in the evening. Lows in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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Chesapeake Bay - Long Beach Temperature Statistics

July Temperature

St Marys County Airport (10.6 miles)

  • Lowest 13 July, 2026

    63.9 °F

  • Average July

    80.7 °F

  • Highest 3 July, 2026

    100 °F

Climate (2021–2026)

St Marys County Airport (10.6 miles)

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  • Average Low 2021–2026

    49.4 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    66.9 °F
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