Grand Harbor Weather Forecast

    • 72
    • 87

    Mostly Sunny

    • 74
    • 87

    Mostly Sunny

    • 75
    • 87

    Rain Showers Likely

    • 76
    • 86

    Rain Showers Likely

    • 76
    • 86

    Rain Showers Likely

    • 74
    • 85

    Rain Showers Likely

Today 29 Sep Coastal Bay

Sunny. Highs in the upper 80s. Northeast Winds around 5 Mph, becoming south in the afternoon.

Tonight 29 Sep Coastal Bay

Mostly clear. Lows in the upper 60s. South Winds 5 to 10 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Harbor Temperature Statistics

September Temperature

Tyndall Air Force Base (11.8 miles)

  • Lowest 26 September, 2026

    66.7 °F

  • Average September

    81.6 °F

  • Highest 15 September, 2026

    94.3 °F

Climate (2021–2026)

Tyndall Air Force Base (11.8 miles)

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  • Average Low 2021–2026

    62.9 °F

  • Average 2021–2026

    70.3 °F

  • Average High 2021–2026

    78.1 °F
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