Grand Isle Weather Forecast

    • 77
    • 92

    Chance Thunderstorms

    • 77
    • 94

    Thunderstorms Likely

    • 76
    • 93

    Thunderstorms Likely

    • 77
    • 92

    Thunderstorms Likely

    • 77
    • 92

    Chance Thunderstorms

    • 77
    • 90

    Thunderstorms Likely

Today 25 Jul Mainland Southern Brevard

Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 107.

Tonight 25 Jul Mainland Southern Brevard

Partly cloudy. Lows in the upper 70s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Isle Temperature Statistics

July Temperature

Cocoa - Patrick Air Force Base (6.2 miles)

  • Lowest 12 July, 2026

    75.2 °F

  • Average July

    83.3 °F

  • Highest 6 July, 2026

    91.6 °F

Climate (2021–2026)

Cocoa - Patrick Air Force Base (6.2 miles)

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  • Average Low 2021–2026

    69.9 °F

  • Average 2021–2026

    75.1 °F

  • Average High 2021–2026

    81.3 °F
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