Princeton Weather Forecast

    • 60
    • 84

    Mostly Sunny

    • 64
    • 80

    Partly Sunny

    • 63
    • 83

    Partly Sunny

    • 66
    • 85

    Partly Sunny

    • 65
    • 84

    Mostly Cloudy

    • 64
    • 81

    Mostly Cloudy

    • 64
    • 79

    Slight Chance Rain Showers

Today 21 Sep Mercer

Sunny. Highs in the mid 80s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Sep Mercer

Partly cloudy. Near steady temperature in the upper 60s. North Winds around 5 Mph.

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Princeton Temperature Statistics

September Temperature

Trenton, Mercer County Airport (9.3 miles)

  • Lowest 11 September, 2017

    51.1 °F
  • Average September

    66.8 °F
  • Highest 5 September, 2017

    86 °F

Climate (2010–Present)

Trenton, Mercer County Airport (9.3 miles)

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  • Average Low 2010–Present

    45.5 °F
  • Average 2010–Present

    54.9 °F
  • Average High 2010–Present

    63.5 °F
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