Princeton Airport Weather Forecast

    • 15
    • 39

    Decreasing Clouds

    • 23
    • 32

    Chance Wintry Mix

    • 24
    • 41

    Partly Sunny

    • 21
    • 42

    Mostly Cloudy

    • 14
    • 30

    Partly Sunny

    • 26
    • 36

    Chance Snow

Today 4 Dec Somerset

Partly sunny. Highs in the upper 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 4 Dec Somerset

Mostly clear. Cold with Lows around 15. North Winds 5 to 10 Mph. Gusts up to 30 Mph in the evening.

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Princeton Airport Temperature Statistics

December Temperature

Trenton, Mercer County Airport (11.8 miles)

  • Lowest 1 December, 2025

    28.9 °F

  • Average December

    35.6 °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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