South Trenton Weather Forecast

    • 67
    • 93

    Thunderstorms Likely

    • 63
    • 89

    Sunny

    • 57
    • 83

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 67
    • 91

    Slight Chance Rain Showers

    • 70
    • 92

    Chance Rain Showers

Today 6 Jun Mercer

Mostly sunny. Hot with Highs in the lower 90s. Southwest Winds 10 to 15 Mph.

Tonight 6 Jun Mercer

Mostly cloudy in the Evening, then clearing. Showers likely. Thunderstorms Likely, mainly in the evening. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall in the evening. Lows in the mid 60s. West Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Trenton Temperature Statistics

June Temperature

Trenton, Mercer County Airport (5.6 miles)

  • Lowest 2 June, 2026

    46.7 °F

  • Average June

    65.6 °F

  • Highest 3 June, 2026

    82 °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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