Lake Montauk Weather Forecast

    • 70
    • 74

    Rain Showers

    • 65
    • 81

    Mostly Sunny

    • 68
    • 79

    Mostly Sunny

    • 70
    • 76

    Rain Showers

    • 68
    • 82

    Chance Thunderstorms

    • 66
    • 80

    Slight Chance Rain Showers

Today 18 Jul Southeast Suffolk

Partly sunny late this Morning, then becoming cloudy. A chance of Showers and Thunderstorms late this Morning, then Showers with a chance of Thunderstorms this afternoon. Areas of smoke. Some Thunderstorms may produce heavy rainfall. Highs around 80. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 18 Jul Southeast Suffolk

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Humid with Lows in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Montauk Temperature Statistics

July Temperature

Montauk, Montauk Airport (0.6 miles)

  • Lowest 6 July, 2026

    63 °F

  • Average July

    74.3 °F

  • Highest 3 July, 2026

    95 °F

Climate (2021–2026)

Montauk, Montauk Airport (0.6 miles)

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  • Average Low 2021–2026

    49.5 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    61.5 °F
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