Hillsborough Bay - Sunken Island Weather Forecast

    • 75
    • 87

    Mostly Sunny

    • 75
    • 88

    Partly Sunny

    • 76
    • 87

    Thunderstorms

    • 76
    • 85

    Thunderstorms

    • 76
    • 87

    Thunderstorms

    • 77
    • 87

    Thunderstorms

Today 15 Sep Coastal Hillsborough

Sunny. Highs around 90. North Winds around 5 Mph.

Tonight 15 Sep Coastal Hillsborough

Mostly clear. Lows in the lower 70s. North Winds 5 to 10 Mph, becoming northeast after midnight.

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Hillsborough Bay - Sunken Island Temperature Statistics

September Temperature

Macdill Air Force Base, Fl. (5 miles)

  • Lowest 10 September, 2025

    73.6 °F

  • Average September

    81.7 °F

  • Highest 5 September, 2025

    94.3 °F

Climate (2020–Present)

Macdill Air Force Base, Fl. (5 miles)

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  • Average Low 2020–2025

    66.3 °F

  • Average 2020–2025

    73.9 °F

  • Average High 2020–2025

    82.5 °F
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