Raritan Weather Forecast

    • 61
    • 86

    Mostly Sunny

    • 66
    • 86

    Chance Thunderstorms

    • 58
    • 84

    Chance Rain Showers

    • 55
    • 78

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 55
    • 80

    Partly Sunny

Today 23 Aug Somerset

Sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 23 Aug Somerset

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Raritan Temperature Statistics

August Temperature

Somerville, Somerset Airport (3.7 miles)

  • Lowest 9 August, 2025

    52.6 °F

  • Average August

    73.5 °F

  • Highest 12 August, 2025

    93.7 °F

Climate (2020–Present)

Somerville, Somerset Airport (3.7 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    65.8 °F
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