Grand Harbor Weather Forecast

    • 79
    • 91

    Mostly Sunny

    • 81
    • 92

    Partly Sunny

    • 81
    • 92

    Mostly Sunny

    • 81
    • 92

    Mostly Sunny

    • 80
    • 94

    Slight Chance Thunderstorms

    • 80
    • 94

    Chance Thunderstorms

    • 81
    • 93

    Slight Chance Thunderstorms

Today 10 Aug Coastal Bay

Mostly sunny. Highs in the lower 90s. South Winds 5 to 10 Mph. Heat index Values up to 105.

Tonight 10 Aug Coastal Bay

Mostly clear. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Heat index Values up to 105 early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Harbor Temperature Statistics

August Temperature

Tyndall Air Force Base (11.8 miles)

  • Lowest 4 August, 2026

    76.3 °F

  • Average August

    83.5 °F

  • Highest 8 August, 2026

    93.6 °F

Climate (2021–2026)

Tyndall Air Force Base (11.8 miles)

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  • Average Low 2021–2026

    62.8 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    78 °F
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