Jupiter Island Weather Forecast

    • 73
    • 82

    Decreasing Clouds

    • 68
    • 81

    Partly Sunny

    • 60
    • 77

    Mostly Sunny

    • 62
    • 71

    Mostly Sunny

    • 66
    • 76

    Mostly Sunny

    • 66
    • 77

    Mostly Sunny

Today 28 Oct Coastal Martin

Partly sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph becoming north late in the afternoon and towards Sunset.

Tonight 28 Oct Coastal Martin

Partly cloudy. Lows in the lower 70s. North Winds around 5 Mph.

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  • Temperature Real-Time

Jupiter Island Temperature Statistics

October Temperature

Witham Field Airport (12.4 miles)

  • Lowest 13 October, 2025

    66.2 °F

  • Average October

    78.1 °F

  • Highest 5 October, 2025

    87.8 °F

Climate (2020–Present)

Witham Field Airport (12.4 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    74.5 °F

  • Average High 2020–2025

    82.9 °F
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