Pennington Weather Forecast

    • 47
    • 57

    Rain

    • 46
    • 62

    Rain

    • 41
    • 57

    Partly Sunny

    • 38
    • 58

    Partly Sunny

    • 36
    • 56

    Partly Sunny

    • 41
    • 58

    Chance Rain Showers

Today 29 Oct Mercer

Partly sunny this Morning, then becoming mostly cloudy. Highs in the upper 50s. Northeast Winds 5 to 10 Mph.

Tonight 29 Oct Mercer

Mostly cloudy. A chance of Showers in the Evening, then rain likely after midnight. Lows in the upper 40s. Northeast Winds 10 to 15 Mph. Chance of rain 60 percent.

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Pennington Temperature Statistics

October Temperature

Trenton, Mercer County Airport (3.7 miles)

  • Lowest 10 October, 2025

    39 °F

  • Average October

    57.4 °F

  • Highest 5 October, 2025

    82.9 °F

Climate (2020–Present)

Trenton, Mercer County Airport (3.7 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.5 °F
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