Trenton-Robbinsville Airport Weather Forecast

    • 28
    • 33

    Chance Snow

    • 24
    • 43

    Mostly Cloudy

    • 23
    • 42

    Mostly Cloudy

    • 15
    • 33

    Mostly Sunny

    • 27
    • 36

    Mostly Cloudy

    • 33
    • 46

    Chance Rain

    • 27
    • 43

    Chance Rain

Today 5 Dec Mercer

Cloudy, cold. Near steady temperature in the lower 30s. Northeast Winds around 5 Mph.

Tonight 5 Dec Mercer

Cloudy with a chance of light snow. A chance of freezing Drizzle, mainly in the evening. Cold. Near steady temperature in the upper 20s. Light and variable Winds. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Trenton-Robbinsville Airport Temperature Statistics

December Temperature

Trenton, Mercer County Airport (11.8 miles)

  • Lowest 3 December, 2025

    28 °F

  • Average December

    34.3 °F

  • Highest 1 December, 2025

    42.1 °F

Climate (2020–Present)

Trenton, Mercer County Airport (11.8 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.4 °F
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