Dunellen Weather Forecast

    • 59
    • 81

    Mostly Sunny

    • 66
    • 81

    Chance Rain Showers

    • 65
    • 83

    Chance Rain Showers

    • 58
    • 79

    Partly Sunny

    • 61
    • 78

    Mostly Cloudy

Today 11 Sep Middlesex

Mostly cloudy this Morning, then clearing. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 11 Sep Middlesex

Mostly clear. Lows around 60. Northwest Winds around 5 Mph, becoming northeast after midnight.

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Dunellen Temperature Statistics

September Temperature

Somerville, Somerset Airport (10.6 miles)

  • Lowest 8 September, 2026

    51.1 °F

  • Average September

    70.7 °F

  • Highest 1 September, 2026

    87.1 °F

Climate (2021–2026)

Somerville, Somerset Airport (10.6 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.7 °F
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