John D. MacArthur Beach State Park Weather Forecast

    • 69
    • 78

    Mostly Sunny

    • 72
    • 78

    Mostly Sunny

    • 73
    • 78

    Partly Sunny

    • 70
    • 79

    Partly Sunny

    • 66
    • 77

    Partly Sunny

    • 66
    • 72

    Mostly Cloudy

Today 7 Jan Coastal Palm Beach County

Sunny. Highs in the upper 70s. West Winds around 5 Mph, becoming northeast around 5 Mph in the afternoon.

Tonight 7 Jan Coastal Palm Beach County

Mostly clear. Lows in the mid 60s. Southeast Winds around 5 Mph.

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John D. MacArthur Beach State Park Temperature Statistics

January Temperature

West Palm Beach - Palm Beach International Airport (10.6 miles)

  • Lowest 1 January, 2026

    43 °F

  • Average January

    61.8 °F

  • Highest 4 January, 2026

    78.1 °F

Climate (2021–Present)

West Palm Beach - Palm Beach International Airport (10.6 miles)

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  • Average Low 2021–2026

    70.9 °F

  • Average 2021–2026

    77.6 °F

  • Average High 2021–2026

    84.9 °F
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