Delaware River - Trenton Weather Forecast

    • 67
    • 87

    Increasing Clouds

    • 69
    • 84

    Rain Showers

    • 67
    • 87

    Partly Sunny

    • 66
    • 87

    Mostly Sunny

    • 69
    • 88

    Chance Rain Showers

    • 66
    • 88

    Chance Rain Showers

Today 15 Aug Mercer

Patchy fog this morning. Sunny, hot with Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 15 Aug Mercer

Partly cloudy. Patchy fog after midnight. Lows in the mid 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Delaware River - Trenton Temperature Statistics

August Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 4 August, 2026

    63.6 °F

  • Average August

    79.1 °F

  • Highest 7 August, 2026

    93.7 °F

Climate (2021–2026)

Trenton, Mercer County Airport (6.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
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