Princeton Junction Weather Forecast

    • 70
    • 91

    Rain Showers

    • 66
    • 82

    Chance Rain Showers

    • 64
    • 87

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 67
    • 87

    Partly Sunny

    • 72
    • 91

    Slight Chance Thunderstorms

Today 1 Jul Mercer

Partly sunny. A slight chance of Showers and Thunderstorms this Morning, then Showers with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Locally heavy rainfall possible this afternoon. Hot with Highs around 90. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

Tonight 1 Jul Mercer

Showers with a chance of Thunderstorms in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Some Thunderstorms may produce gusty Winds in the evening. Locally heavy rainfall possible in the evening. Humid with Lows around 70. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

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Princeton Junction Temperature Statistics

July Temperature

Trenton, Mercer County Airport (10.6 miles)

  • Lowest

  • Average July

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Climate (2020–Present)

Trenton, Mercer County Airport (10.6 miles)

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  • Average Low 2020–2025

    46.3 °F
  • Average 2020–2025

    55.4 °F
  • Average High 2020–2025

    64.4 °F
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