Jupiter Island Weather Forecast

    • 54
    • 82

    Partly Sunny

    • 54
    • 63

    Mostly Sunny

    • 49
    • 66

    Partly Sunny

    • 56
    • 66

    Mostly Sunny

    • 52
    • 69

    Mostly Cloudy

    • 41
    • 63

    Chance Rain Showers

    • 44
    • 52

    Partly Sunny

Today 26 Jan Coastal Martin

Partly sunny. A slight chance of Showers early in the Afternoon, then a chance of Showers and a slight chance of afternoon Thunderstorms. Breezy. Highs in the lower 80s. Southwest Winds 10 to 15 Mph becoming west 15 to 20 Mph in the afternoon. Chance of rain 40 percent.

Tonight 26 Jan Coastal Martin

Partly cloudy in the evening then becoming mostly clear. Windy. Lows around 50. Northwest Winds 20 to 25 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jupiter Island Temperature Statistics

January Temperature

Witham Field Airport (12.4 miles)

  • Lowest 1 January, 2026

    41 °F

  • Average January

    64.7 °F

  • Highest 7 January, 2026

    82.4 °F

Climate (2021–Present)

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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