Ronkonkoma Weather Forecast

    • 46
    • 57

    Increasing Clouds

    • 53
    • 66

    Slight Chance Rain

    • 52
    • 71

    Mostly Cloudy

    • 52
    • 67

    Chance Rain Showers

    • 48
    • 69

    Mostly Cloudy

    • 51
    • 66

    Partly Sunny

Today 27 Apr Southwest Suffolk

Patchy frost early. Partly cloudy. Highs in the upper 50s. South Winds 10 to 15 Mph.

Tonight 27 Apr Southwest Suffolk

Mostly cloudy with a 50 percent chance of Showers. Lows in the mid 40s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ronkonkoma Temperature Statistics

April Temperature

Islip, Long Island Mac Arthur Airport (1.2 miles)

  • Lowest 5 April, 2024

    35.7 °F

  • Average April

    50.5 °F

  • Highest 15 April, 2024

    78.7 °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

    62.5 °F
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