Canaan Lake Weather Forecast

    • 60
    • 80

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 68
    • 81

    Rain Showers Likely

    • 67
    • 82

    Rain Showers

    • 66
    • 80

    Chance Rain Showers

    • 67
    • 82

    Partly Sunny

    • 69
    • 83

    Partly Sunny

Today 25 Jul Southwest Suffolk

Sunny. Near steady temperature in the mid 70s. Southeast Winds 10 to 15 Mph.

Tonight 25 Jul Southwest Suffolk

Mostly clear. Lows in the lower 60s. East Winds 5 to 10 Mph, becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Canaan Lake Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (3.7 miles)

  • Lowest 20 July, 2026

    60.7 °F

  • Average July

    75.9 °F

  • Highest 3 July, 2026

    98.7 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (3.7 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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