Ronkonkoma Weather Forecast

    • 73
    • 85

    Mostly Cloudy

    • 73
    • 87

    Mostly Cloudy

    • 72
    • 83

    Rain Showers

    • 72
    • 86

    Rain Showers Likely

    • 72
    • 87

    Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

    • 70
    • 84

    Chance Thunderstorms

Today 8 Jul Southwest Suffolk

Partly sunny with a 20 percent chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the mid 80s. South Winds 10 to 15 Mph.

Tonight 8 Jul Southwest Suffolk

Mostly cloudy. A slight chance of Thunderstorms in the evening. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Ronkonkoma Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (1.2 miles)

  • Lowest 1 July, 2020

    63 °F
  • Average July

    74 °F
  • Highest 6 July, 2020

    90 °F

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (1.2 miles)

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  • Average Low 2010–Present

    46.3 °F
  • Average 2010–Present

    53.6 °F
  • Average High 2010–Present

    60.9 °F
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