Delaware River - Trenton Weather Forecast

    • 62
    • 80

    Mostly Cloudy

    • 54
    • 80

    Partly Sunny

    • 53
    • 77

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

Today 28 Aug Mercer

Partly sunny this Morning, then becoming mostly cloudy. Highs in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 28 Aug Mercer

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 60. Southwest Winds 5 to 10 Mph.

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Delaware River - Trenton Temperature Statistics

August Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 3 August, 2025

    56.6 °F

  • Average August

    72.8 °F

  • Highest 13 August, 2025

    93.7 °F

Climate (2020–Present)

Trenton, Mercer County Airport (6.8 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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