Marsh Harbor Weather Forecast

    • 79
    • 96

    Slight Chance Thunderstorms

    • 79
    • 96

    Slight Chance Thunderstorms

    • 79
    • 96

    Chance Thunderstorms

    • 79
    • 95

    Chance Thunderstorms

    • 79
    • 94

    Chance Thunderstorms

    • 78
    • 94

    Chance Thunderstorms

Today 16 Aug Southern Brevard Barrier Islands

Mostly sunny. A slight chance of Showers and Thunderstorms late in the afternoon and towards Sunset. Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 108.

Tonight 16 Aug Southern Brevard Barrier Islands

Mostly clear. Lows around 80. Southeast Winds 5 to 10 Mph becoming southwest late. Heat index Values up to 100 early.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marsh Harbor Temperature Statistics

August Temperature

Cocoa - Patrick Air Force Base (6.2 miles)

  • Lowest 6 August, 2026

    76.6 °F

  • Average August

    83.1 °F

  • Highest 12 August, 2026

    93.9 °F

Climate (2021–2026)

Cocoa - Patrick Air Force Base (6.2 miles)

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  • Average Low 2021–2026

    70 °F

  • Average 2021–2026

    75.2 °F

  • Average High 2021–2026

    81.3 °F
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