Trenton Weather Forecast

    • 55
    • 79

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 62
    • 82

    Chance Thunderstorms

    • 67
    • 91

    Chance Thunderstorms

    • 61
    • 83

    Chance Rain Showers

    • 60
    • 84

    Mostly Sunny

Today 15 Jun Mercer

Sunny. Not as warm with Highs in the upper 70s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 15 Jun Mercer

Mostly clear. Cooler with Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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Trenton Temperature Statistics

June Temperature

Trenton, Mercer County Airport (5.6 miles)

  • Lowest 2 June, 2026

    46.7 °F

  • Average June

    72.8 °F

  • Highest 12 June, 2026

    94.6 °F

Climate (2021–Present)

Trenton, Mercer County Airport (5.6 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.4 °F
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