Hillsborough Bay - Sunken Island Weather Forecast

    • 70
    • 83

    Sunny

    • 71
    • 84

    Partly Sunny

    • 74
    • 86

    Mostly Sunny

    • 74
    • 87

    Thunderstorms

    • 75
    • 89

    Rain Showers

    • 76
    • 89

    Rain Showers

    • 77
    • 89

    Rain Showers

Today 26 Sep Coastal Hillsborough

Mostly sunny. Numerous Showers and scattered Thunderstorms in the afternoon. Highs around 90. Chance of rain 70 percent. Heat index Values up to 105.

Tonight 26 Sep Coastal Hillsborough

Mostly clear. Lows in the mid 60s. 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 21 September, 2026

    71.8 °F

  • Average September

    82.5 °F

  • Highest 5 September, 2026

    93 °F

Climate (2021–2026)

Macdill Air Force Base, Fl. (5 miles)

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  • Average Low 2021–2026

    66.2 °F

  • Average 2021–2026

    74.1 °F

  • Average High 2021–2026

    82.9 °F
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