Pennington Weather Forecast

    • 52
    • 55

    Mostly Cloudy

    • 42
    • 73

    Rain Showers

    • 31
    • 54

    Mostly Sunny

    • 41
    • 51

    Mostly Cloudy

    • 55
    • 73

    Chance Rain Showers

    • 46
    • 66

    Chance Rain Showers

Today 30 Mar Mercer

Patchy fog this morning. Mostly cloudy. Much cooler with Highs in the mid 50s. East Winds 5 to 10 Mph.

Tonight 30 Mar Mercer

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Not as cool with Lows in the lower 50s. Temperature rising into the upper 50s after midnight. East Winds 5 to 10 Mph, becoming south with Gusts up to 20 Mph after midnight. Chance of rain 40 percent.

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Pennington Temperature Statistics

March Temperature

Trenton, Mercer County Airport (3.7 miles)

  • Lowest 2 March, 2025

    17.9 °F

  • Average March

    45.3 °F

  • Highest 16 March, 2025

    70.6 °F

Climate (2020–Present)

Trenton, Mercer County Airport (3.7 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    64.2 °F
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