Franklin Park Weather Forecast

    • 25
    • 60

    Rain

    • 30
    • 38

    Partly Sunny

    • 23
    • 47

    Partly Sunny

    • 26
    • 37

    Mostly Cloudy

    • 33
    • 41

    Chance Rain/Snow

    • 29
    • 46

    Mostly Cloudy

Today 19 Dec Mercer

Rain with a slight chance of Thunderstorms this Morning, then partly sunny with a chance of rain this afternoon. Highs in the upper 50s. Temperature falling into the lower 40s this afternoon. South Winds 15 to 20 Mph, becoming west this afternoon. Gusts up to 40 Mph. Chance of rain near 100 percent.

Tonight 19 Dec Mercer

Partly cloudy in the Evening, then becoming mostly clear. Much Colder with Lows in the mid 20s. West Winds 15 to 20 Mph. Gusts up to 45 Mph, decreasing to 35 Mph after midnight.

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Franklin Park Temperature Statistics

December Temperature

Trenton, Mercer County Airport (6.2 miles)

  • Lowest 9 December, 2025

    10.9 °F

  • Average December

    29.8 °F

  • Highest 17 December, 2025

    44.1 °F

Climate (2020–Present)

Trenton, Mercer County Airport (6.2 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.3 °F
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