Great River Weather Forecast

    • 46
    • 58

    Slight Chance Rain Showers

    • 50
    • 56

    Rain Showers Likely

    • 54
    • 66

    Chance Rain Showers

    • 53
    • 69

    Chance Rain Showers

    • 52
    • 65

    Chance Rain Showers

    • 51
    • 62

    Rain Showers Likely

Today 4 May Southwest Suffolk

Partly sunny. Highs in the upper 50s. Southeast Winds 10 to 15 Mph.

Tonight 4 May Southwest Suffolk

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 40s. East Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great River Temperature Statistics

May Temperature

Islip, Long Island Mac Arthur Airport (5 miles)

  • Lowest 1 May, 2024

    48.9 °F

  • Average May

    55.3 °F

  • Highest 1 May, 2024

    69.1 °F

Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (5 miles)

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  • Average Low 2019–2024

    47.3 °F

  • Average 2019–2024

    54.9 °F

  • Average High 2019–2024

    62.5 °F
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