Knapps Lake Weather Forecast

    • 37
    • 53

    Sunny

    • 41
    • 56

    Mostly Sunny

    • 46
    • 56

    Mostly Cloudy

    • 52
    • 64

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

    • 52
    • 64

    Chance Rain Showers

Today 25 Apr Southwest Suffolk

Sunny. Highs in the lower 50s. Northeast Winds 10 to 15 Mph, becoming southeast 5 to 10 Mph in the afternoon.

Tonight 25 Apr Southwest Suffolk

Clear. Lows in the mid 30s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Knapps Lake Temperature Statistics

April Temperature

Islip, Long Island Mac Arthur Airport (6.2 miles)

  • Lowest 5 April, 2024

    35.7 °F

  • Average April

    50.4 °F

  • Highest 15 April, 2024

    78.7 °F

Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (6.2 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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