Castle Key Weather Forecast

    • 59
    • 80

    Mostly Sunny

    • 62
    • 80

    Partly Sunny

    • 62
    • 77

    Mostly Cloudy

    • 63
    • 81

    Partly Sunny

    • 61
    • 84

    Partly Sunny

    • 61
    • 83

    Partly Sunny

Today 30 Jan Inland Hillsborough

Patchy fog in the morning. Mostly sunny. Highs around 80. East Winds 5 to 10 Mph.

Tonight 30 Jan Inland Hillsborough

Mostly clear. Areas of fog after midnight. Lows in the upper 50s. Southeast Winds around 5 Mph.

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Castle Key Temperature Statistics

January Temperature

Plant City, Plant City Municipal Airport (6.8 miles)

  • Lowest 25 January, 2025

    33.8 °F

  • Average January

    54.9 °F

  • Highest 6 January, 2025

    78.8 °F

Climate (2020–Present)

Plant City, Plant City Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    65.8 °F

  • Average 2020–2025

    74.5 °F

  • Average High 2020–2025

    85.2 °F
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