Grand Isle Weather Forecast

    • 66
    • 81

    Rain Showers

    • 66
    • 74

    Rain Showers

    • 66
    • 74

    Rain Showers

    • 67
    • 76

    Rain Showers Likely

    • 67
    • 79

    Chance Rain Showers

    • 68
    • 79

    Slight Chance Thunderstorms

Today 6 Apr Mainland Southern Brevard

Partly cloudy late in the morning then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers late in the Morning, then Showers likely late in the afternoon and towards Sunset. Highs around 80. North Winds 5 to 10 Mph becoming northeast around 10 Mph with Gusts up to 20 Mph late in the afternoon and towards Sunset. Chance of rain 70 percent.

Tonight 6 Apr Mainland Southern Brevard

A chance of Thunderstorms. Showers. Lows in the upper 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

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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 1 April, 2026

    72 °F

  • Average April

    75.4 °F

  • Highest 3 April, 2026

    81 °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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