Downtown (Trenton) Weather Forecast

    • 15
    • 32

    Chance Snow

    • 18
    • 30

    Partly Sunny

    • 21
    • 32

    Partly Sunny

    • 26
    • 42

    Mostly Cloudy

    • 36
    • 52

    Mostly Cloudy

    • 25
    • 48

    Slight Chance Rain

Today 14 Dec Mercer

Mostly cloudy with snow likely in the Morning, then mostly sunny in the afternoon. Total snow accumulation of 4 to 8 Inches. Colder with Highs in the lower 30s. Temperature falling into the lower 20s in the afternoon. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 70 percent.

Tonight 14 Dec Mercer

Mostly clear. Colder with Lows around 14. Northwest Winds around 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as zero.

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Downtown (Trenton) Temperature Statistics

December Temperature

Trenton, Mercer County Airport (4.3 miles)

  • Lowest 9 December, 2025

    10.9 °F

  • Average December

    31.4 °F

  • Highest 10 December, 2025

    43 °F

Climate (2020–Present)

Trenton, Mercer County Airport (4.3 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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