Princeton Airport Weather Forecast

    • 31
    • 38

    Rain Likely

    • 35
    • 45

    Rain

    • 19
    • 41

    Partly Sunny

    • 33
    • 41

    Slight Chance Rain

    • 31
    • 53

    Mostly Cloudy

    • 26
    • 44

    Mostly Cloudy

    • 32
    • 42

    Rain Likely

Today 30 Jan Somerset

Mostly sunny and cooler. Near steady temperature in the mid 30s. Southwest Winds around 5 Mph.

Tonight 30 Jan Somerset

Mostly cloudy. A chance of rain with a slight chance of freezing rain after midnight. Ice accumulation around a trace. Cold with Lows in the upper 20s. Temperature rising into the lower 30s after midnight. South Winds around 5 Mph. Chance of precipitation 50 percent.

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Princeton Airport Temperature Statistics

January Temperature

Trenton, Mercer County Airport (11.8 miles)

  • Lowest 22 January, 2025

    2.8 °F

  • Average January

    27.6 °F

  • Highest 1 January, 2025

    48.7 °F

Climate (2020–Present)

Trenton, Mercer County Airport (11.8 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.3 °F
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