Callahans Beach Weather Forecast

    • 55
    • 66

    Rain

    • 59
    • 67

    Rain Likely

    • 59
    • 72

    Rain Showers Likely

    • 53
    • 69

    Rain Showers Likely

    • 54
    • 68

    Partly Sunny

    • 56
    • 71

    Mostly Sunny

    • 59
    • 75

    Mostly Sunny

Today 28 May Northwest Suffolk

Cloudy with a 40 percent chance of light rain. Near steady temperature in the mid 60s. South Winds 5 to 10 Mph.

Tonight 28 May Northwest Suffolk

Rain. Near steady temperature in the mid 50s. East Winds 10 to 15 Mph. Chance of rain near 100 percent.

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  • Temperature Real-Time

Callahans Beach Temperature Statistics

May Temperature

Islip, Long Island Mac Arthur Airport (12.4 miles)

  • Lowest 23 May, 2025

    46.7 °F

  • Average May

    61.5 °F

  • Highest 11 May, 2025

    78.7 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (12.4 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    63 °F
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