Fair Harbor Weather Forecast

    • 61
    • 64

    Slight Chance Rain

    • 62
    • 65

    Mostly Cloudy

    • 63
    • 66

    Chance Rain Showers

    • 67
    • 71

    Slight Chance Rain Showers

    • 68
    • 76

    Chance Rain Showers

    • 65
    • 74

    Mostly Sunny

Today 15 Jun Southwest Suffolk

Mostly cloudy with a 20 percent chance of light rain. Highs in the upper 60s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 15 Jun Southwest Suffolk

Mostly cloudy with a 20 percent chance of light rain. Lows in the upper 50s. East Winds 5 to 10 Mph.

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Fair Harbor Temperature Statistics

June Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 2 June, 2025

    49.6 °F

  • Average June

    68.5 °F

  • Highest 12 June, 2025

    87.1 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (11.2 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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