Grand Isle Weather Forecast

    • 70
    • 82

    Partly Sunny

    • 68
    • 83

    Mostly Sunny

    • 68
    • 87

    Mostly Sunny

    • 69
    • 89

    Partly Sunny

    • 70
    • 85

    Partly Sunny

    • 70
    • 87

    Mostly Cloudy

Today 27 Apr Mainland Southern Brevard

Partly sunny. Highs in the lower 80s. Northeast Winds 10 to 15 Mph.

Tonight 27 Apr Mainland Southern Brevard

Mostly clear. Lows in the lower 70s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Isle Temperature Statistics

April Temperature

Cocoa - Patrick Air Force Base (6.2 miles)

  • Lowest 9 April, 2026

    67.8 °F

  • Average April

    74.5 °F

  • Highest 18 April, 2026

    82.4 °F

Climate (2021–Present)

Cocoa - Patrick Air Force Base (6.2 miles)

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  • Average Low 2021–2026

    69.8 °F

  • Average 2021–2026

    75 °F

  • Average High 2021–2026

    81.2 °F
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