Trenton-Robbinsville Airport Weather Forecast

    • 56
    • 73

    Gradual Clearing

    • 60
    • 77

    Partly Sunny

    • 64
    • 81

    Partly Sunny

    • 61
    • 82

    Chance Rain Showers

    • 58
    • 70

    Chance Rain Showers

    • 54
    • 68

    Chance Rain Showers

Today 29 Sep Mercer

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 70s. Northwest Winds around 5 Mph.

Tonight 29 Sep Mercer

Partly cloudy in the Evening, then clearing. Lows in the mid 50s. Light and variable Winds.

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Trenton-Robbinsville Airport Temperature Statistics

September Temperature

Trenton, Mercer County Airport (11.8 miles)

  • Lowest 24 September, 2026

    50.6 °F

  • Average September

    69.9 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (11.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
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