Long Island Mac Arthur Airport Weather Forecast

    • 64
    • 84

    Becoming Sunny

    • 63
    • 84

    Mostly Sunny

    • 65
    • 84

    Rain Showers Likely

    • 66
    • 79

    Rain

    • 66
    • 84

    Mostly Sunny

    • 66
    • 83

    Partly Sunny

    • 67
    • 82

    Partly Sunny

Today 19 Jun Southwest Suffolk

Partly sunny. Highs in the lower 80s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 Jun Southwest Suffolk

Partly cloudy in the Evening, then clearing. Lows in the mid 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Real-Time

Long Island Mac Arthur Airport Temperature Statistics

June Temperature

Islip, Long Island Mac Arthur Airport (0 miles)

  • Lowest 2 June, 2026

    46.7 °F

  • Average June

    70.6 °F

  • Highest 12 June, 2026

    94.6 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (0 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63 °F
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