Fallsington Weather Forecast

    • 24
    • 45

    Patchy Fog

    • 42
    • 45

    Rain

    • 26
    • 57

    Rain Showers

    • 33
    • 40

    Mostly Cloudy

    • 25
    • 48

    Mostly Sunny

    • 25
    • 37

    Partly Sunny

    • 33
    • 43

    Chance Rain

Today 17 Dec Lower Bucks

Partly sunny and not as cool. Near steady temperature in the lower 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 17 Dec Lower Bucks

Mostly cloudy. Patchy freezing fog after midnight. Cold with Lows in the mid 20s. Northwest Winds around 5 Mph.

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Fallsington Temperature Statistics

December Temperature

Trenton, Mercer County Airport (5.6 miles)

  • Lowest 9 December, 2025

    10.9 °F

  • Average December

    30 °F

  • Highest 10 December, 2025

    43 °F

Climate (2020–Present)

Trenton, Mercer County Airport (5.6 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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