Jupiter Island Weather Forecast

    • 79
    • 90

    Chance Thunderstorms

    • 80
    • 90

    Chance Thunderstorms

    • 80
    • 91

    Chance Thunderstorms

    • 80
    • 90

    Chance Thunderstorms

    • 80
    • 91

    Chance Thunderstorms

Today 11 Jul Coastal Martin

Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 109.

Tonight 11 Jul Coastal Martin

Partly cloudy. A slight chance of Showers and Thunderstorms in the late evening and early morning. Lows in the upper 70s. South Winds around 5 Mph in the late evening and early morning becoming light and variable. Chance of rain 20 percent.

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  • Temperature Real-Time

Jupiter Island Temperature Statistics

July Temperature

Witham Field Airport (12.4 miles)

  • Lowest 5 July, 2026

    75.2 °F

  • Average July

    81.2 °F

  • Highest 5 July, 2026

    93.2 °F

Climate (2021–2026)

Witham Field Airport (12.4 miles)

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  • Average Low 2021–2026

    69.4 °F

  • Average 2021–2026

    74.5 °F

  • Average High 2021–2026

    83 °F
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