Delaware River - Trenton Weather Forecast

    • 29
    • 53

    Mostly Sunny

    • 36
    • 60

    Decreasing Clouds

    • 49
    • 71

    Partly Sunny

    • 39
    • 64

    Mostly Sunny

    • 49
    • 65

    Mostly Cloudy

    • 63
    • 80

    Mostly Cloudy

    • 67
    • 88

    Mostly Cloudy

Today 8 Apr Mercer

Sunny. Highs in the lower 50s. Northeast Winds 5 to 10 Mph, becoming east this afternoon.

Tonight 8 Apr Mercer

Mostly clear. Widespread frost after midnight. Cold with Lows in the upper 20s. Southeast Winds 5 to 10 Mph.

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Delaware River - Trenton Temperature Statistics

April Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 6 April, 2026

    39.9 °F

  • Average April

    54.3 °F

  • Highest 1 April, 2026

    80.7 °F

Climate (2021–Present)

Trenton, Mercer County Airport (6.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.3 °F
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