Ronkonkoma Weather Forecast

    • 66
    • 79

    Rain Showers

    • 62
    • 82

    Partly Sunny

    • 62
    • 79

    Partly Sunny

    • 60
    • 77

    Chance Rain Showers

    • 62
    • 78

    Chance Rain Showers

    • 62
    • 78

    Slight Chance Rain Showers

Today 6 Jun Southwest Suffolk

Showers with isolated Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the upper 70s. Southwest Winds 15 to 20 Mph. Chance of rain 90 percent.

Tonight 6 Jun Southwest Suffolk

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Humid with Lows in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west 5 to 10 Mph after midnight. Chance of rain 50 percent.

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Ronkonkoma Temperature Statistics

June Temperature

Islip, Long Island Mac Arthur Airport (1.2 miles)

  • Lowest 1 June, 2024

    56.6 °F

  • Average June

    71.1 °F

  • Highest 1 June, 2024

    83.6 °F

Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (1.2 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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