Dunellen Weather Forecast

    • 67
    • 86

    Mostly Sunny

    • 60
    • 87

    Rain Showers

    • 53
    • 73

    Slight Chance Rain Showers

    • 52
    • 74

    Mostly Sunny

    • 53
    • 74

    Partly Sunny

    • 54
    • 73

    Partly Sunny

Today 5 Sep Middlesex

Patchy fog this morning. Mostly sunny. Hot with Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 5 Sep Middlesex

Mostly clear. Patchy fog after midnight. Humid with Lows in the upper 60s. South Winds 5 to 10 Mph.

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Dunellen Temperature Statistics

September Temperature

Somerville, Somerset Airport (10.6 miles)

  • Lowest 3 September, 2025

    50 °F

  • Average September

    65.8 °F

  • Highest 3 September, 2025

    82.9 °F

Climate (2020–Present)

Somerville, Somerset Airport (10.6 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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