Sourland Mountain Weather Forecast

    • 38
    • 59

    Sunny

    • 38
    • 61

    Sunny

    • 45
    • 65

    Partly Sunny

    • 50
    • 71

    Mostly Cloudy

    • 46
    • 63

    Chance Rain Showers

    • 46
    • 65

    Slight Chance Rain Showers

Today 16 Oct Hunterdon

Sunny. Highs in the upper 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 16 Oct Hunterdon

Clear. Lows in the upper 30s. North Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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Sourland Mountain Temperature Statistics

October Temperature

Trenton, Mercer County Airport (8.1 miles)

  • Lowest 10 October, 2025

    39 °F

  • Average October

    60.5 °F

  • Highest 5 October, 2025

    82.9 °F

Climate (2020–Present)

Trenton, Mercer County Airport (8.1 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.5 °F
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