Montauk Harbor Entrance Weather Forecast

    • 58
    • 78

    Chance Rain Showers

    • 58
    • 68

    Partly Sunny

    • 63
    • 71

    Rain Showers

    • 61
    • 69

    Chance Rain Showers

    • 59
    • 65

    Slight Chance Rain Showers

    • 60
    • 65

    Breezy

Today 18 Sep Southeast Suffolk

Mostly sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 18 Sep Southeast Suffolk

Partly cloudy. Lows in the upper 50s. North Winds 10 to 15 Mph.

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Montauk Harbor Entrance Temperature Statistics

September Temperature

Montauk, Montauk Airport (0.6 miles)

  • Lowest 12 September, 2026

    55.9 °F

  • Average September

    70 °F

  • Highest 10 September, 2026

    82 °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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