Callahans Beach Weather Forecast

    • 57
    • 63

    Chance Rain Showers

    • 49
    • 67

    Mostly Sunny

    • 51
    • 61

    Sunny

    • 57
    • 65

    Mostly Sunny

    • 56
    • 69

    Mostly Sunny

    • 56
    • 68

    Partly Sunny

Today 4 Oct Northwest Suffolk

Partly sunny this Morning, then becoming cloudy. A chance of Showers this afternoon. Highs in the lower 60s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 4 Oct Northwest Suffolk

Mostly cloudy. A chance of Showers, mainly in the evening. Lows in the mid 50s. Northeast Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Callahans Beach Temperature Statistics

October Temperature

Islip, Long Island Mac Arthur Airport (12.4 miles)

  • Lowest 1 October, 2026

    60.1 °F

  • Average October

    69 °F

  • Highest 2 October, 2026

    78.1 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (12.4 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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