Mount Sinai Weather Forecast

    • 65
    • 79

    Rain Showers Likely

    • 62
    • 81

    Partly Sunny

    • 62
    • 78

    Mostly Sunny

    • 60
    • 77

    Chance Rain Showers

    • 62
    • 77

    Chance Rain Showers

    • 62
    • 77

    Slight Chance Rain Showers

Today 6 Jun Northwest Suffolk

Showers likely with a chance of Thunderstorms late this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs around 80. Southwest Winds around 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 70 percent.

Tonight 6 Jun Northwest Suffolk

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the mid 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Sinai Temperature Statistics

June Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 1 June, 2024

    56.6 °F

  • Average June

    70.2 °F

  • Highest 3 June, 2024

    84.7 °F

Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (11.2 miles)

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  • Average Low 2019–2024

    47.3 °F

  • Average 2019–2024

    54.9 °F

  • Average High 2019–2024

    62.6 °F
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