Callahans Beach Weather Forecast

    • 72
    • 96

    Rain Showers Likely

    • 67
    • 86

    Rain Showers

    • 66
    • 79

    Rain Showers

    • 67
    • 81

    Chance Thunderstorms

    • 70
    • 85

    Partly Sunny

    • 72
    • 88

    Chance Rain Showers

Today 4 Jul Northwest Suffolk

Sunny this Morning, then partly sunny with Showers likely with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Hot with Highs in the upper 90s. West Winds 5 to 10 Mph. Chance of rain 70 percent. Heat index Values up to 105.

Tonight 4 Jul Northwest Suffolk

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Some Thunderstorms may produce gusty Winds in the evening. Humid with Lows in the lower 70s. West Winds around 5 Mph. Chance of rain 70 percent.

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Callahans Beach Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (12.4 miles)

  • Lowest 1 July, 2026

    69.7 °F

  • Average July

    80.2 °F

  • Highest 2 July, 2026

    93.9 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (12.4 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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