Ronkonkoma Weather Forecast

    • 68
    • 89

    Chance Thunderstorms

    • 67
    • 83

    Slight Chance Thunderstorms

    • 68
    • 77

    Severe Tstms

    • 62
    • 83

    Slight Chance Thunderstorms

    • 66
    • 81

    Mostly Sunny

    • 65
    • 82

    Slight Chance Thunderstorms

Today 27 Jul Southwest Suffolk

Sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 27 Jul Southwest Suffolk

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ronkonkoma Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (1.2 miles)

  • Lowest 3 July, 2021

    59 °F

  • Average July

    73.8 °F

  • Highest 7 July, 2021

    89.1 °F

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (1.2 miles)

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  • Average Low 2010–Present

    46.6 °F

  • Average 2010–Present

    53.8 °F

  • Average High 2010–Present

    61.1 °F
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