Raritan Township Weather Forecast

    • 58
    • 86

    Rain Showers Likely

    • 50
    • 74

    Rain Showers

    • 49
    • 75

    Mostly Sunny

    • 53
    • 75

    Mostly Cloudy

    • 52
    • 73

    Partly Sunny

    • 54
    • 81

    Mostly Sunny

Today 6 Sep Hunterdon

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

Tonight 6 Sep Hunterdon

Showers likely with a chance of Thunderstorms. Some Thunderstorms may be severe in the evening. Locally heavy rainfall possible in the evening. Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Raritan Township Temperature Statistics

September Temperature

Somerville, Somerset Airport (12.4 miles)

  • Lowest 3 September, 2025

    50 °F

  • Average September

    66.4 °F

  • Highest 4 September, 2025

    84.9 °F

Climate (2020–Present)

Somerville, Somerset Airport (12.4 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    65.8 °F
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