Princeton Airport Weather Forecast

    • 5
    • 33

    Decreasing Clouds

    • 12
    • 19

    Mostly Cloudy

    • 21
    • 23

    Wintry Mix

    • 5
    • 26

    Chance Snow

    • 5
    • 19

    Partly Sunny

    • 4
    • 22

    Mostly Cloudy

Today 23 Jan Somerset

Mostly sunny. Cooler with Highs in the lower 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Jan Somerset

Partly cloudy in the Evening, then clearing. Much Colder with Lows around 5 above. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 7 below after midnight.

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Princeton Airport Temperature Statistics

January Temperature

Trenton, Mercer County Airport (11.8 miles)

  • Lowest 21 January, 2026

    1 °F

  • Average January

    32.2 °F

  • Highest 9 January, 2026

    53.1 °F

Climate (2021–Present)

Trenton, Mercer County Airport (11.8 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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