Raritan River - South Amboy Weather Forecast

    • 66
    • 85

    Rain Showers Likely

    • 63
    • 81

    Partly Sunny

    • 59
    • 75

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 62
    • 81

    Partly Sunny

    • 67
    • 81

    Partly Sunny

Today 4 Sep Middlesex

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 80s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 4 Sep Middlesex

Mostly cloudy with a 50 percent chance of Showers. Near steady temperature in the lower 70s. West Winds around 5 Mph.

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Raritan River - South Amboy Temperature Statistics

September Temperature

Linden Airport (8.7 miles)

  • Lowest 1 September, 2026

    69.4 °F

  • Average September

    75.6 °F

  • Highest 1 September, 2026

    86.2 °F

Climate (2021–2026)

Linden Airport (8.7 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    63.9 °F
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