Interlaken Weather Forecast

    • 62
    • 78

    Chance Rain Showers

    • 60
    • 81

    Mostly Sunny

    • 59
    • 70

    Mostly Sunny

    • 60
    • 70

    Partly Sunny

    • 60
    • 74

    Partly Sunny

    • 62
    • 76

    Partly Sunny

Today 18 Sep Eastern Monmouth

Patchy fog in the morning. Mostly cloudy with a chance of Showers in the Morning, then mostly sunny in the afternoon. Humid with Highs in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 18 Sep Eastern Monmouth

Mostly clear. Lows in the mid 60s. Southwest Winds around 5 Mph.

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Interlaken Temperature Statistics

September Temperature

Belmar-Farmingdale (6.8 miles)

  • Lowest 8 September, 2025

    53.1 °F

  • Average September

    67.3 °F

  • Highest 6 September, 2025

    87.1 °F

Climate (2020–Present)

Belmar-Farmingdale (6.8 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    63.8 °F
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