Raritan River - Keasbey Weather Forecast

    • 61
    • 89

    Rain Showers

    • 53
    • 73

    Rain Showers

    • 54
    • 75

    Mostly Sunny

    • 57
    • 74

    Slight Chance Rain Showers

    • 54
    • 73

    Mostly Cloudy

    • 56
    • 81

    Mostly Sunny

    • 52
    • 74

    Mostly Sunny

Today 6 Sep Middlesex

Showers likely with a chance of Thunderstorms. Some Thunderstorms may be severe. Locally heavy rainfall possible. Hot with Highs in the upper 80s. Temperature falling into the lower 80s late. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 6 Sep Middlesex

Showers. Lows around 60. North Winds 5 to 10 Mph. Chance of rain 90 percent.

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Raritan River - Keasbey Temperature Statistics

September Temperature

Linden Airport (8.1 miles)

  • Lowest 3 September, 2025

    59.7 °F

  • Average September

    69.4 °F

  • Highest 4 September, 2025

    81 °F

Climate (2020–Present)

Linden Airport (8.1 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    64 °F
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