Downtown (Trenton) Weather Forecast

    • 2
    • 20

    Increasing Clouds

    • 1
    • 20

    Mostly Sunny

    • -1
    • 18

    Partly Sunny

    • 11
    • 19

    Chance Snow

    • 15
    • 25

    Chance Snow

    • 14
    • 31

    Partly Sunny

Today 28 Jan Mercer

Sunny this Morning, then becoming partly sunny. Cold with Highs around 20. West Winds around 5 Mph.

Tonight 28 Jan Mercer

Partly cloudy in the Evening, then clearing. Cold with Lows around 1 above. West Winds around 5 Mph.

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Downtown (Trenton) Temperature Statistics

January Temperature

Trenton, Mercer County Airport (4.3 miles)

  • Lowest 21 January, 2026

    -0.3 °F

  • Average January

    31 °F

  • Highest 14 January, 2026

    54.6 °F

Climate (2021–Present)

Trenton, Mercer County Airport (4.3 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.3 °F
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