South Trenton Weather Forecast

    • 64
    • 79

    Rain Showers

    • 63
    • 78

    Chance Rain Showers

    • 65
    • 82

    Partly Sunny

    • 70
    • 88

    Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

    • 66
    • 90

    Chance Thunderstorms

Today 6 Jul Mercer

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Not as warm with Highs in the upper 70s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 6 Jul Mercer

Cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 60 percent.

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South Trenton Temperature Statistics

July Temperature

Trenton, Mercer County Airport (5.6 miles)

  • Lowest 1 July, 2026

    71.7 °F

  • Average July

    87.3 °F

  • Highest 2 July, 2026

    101.6 °F

Climate (2021–2026)

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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