Newtown Weather Forecast

    • 24
    • 33

    Chance Snow Showers

    • 19
    • 32

    Partly Sunny

    • 20
    • 33

    Partly Sunny

    • 23
    • 35

    Mostly Cloudy

    • 19
    • 38

    Partly Sunny

    • 25
    • 34

    Slight Chance Snow

    • 29
    • 40

    Mostly Cloudy

Today 31 Dec Lower Bucks

Mostly cloudy with a chance of Flurries this Morning, then partly sunny this afternoon. Highs in the lower 30s. Southwest Winds 10 to 15 Mph.

Tonight 31 Dec Lower Bucks

Mostly cloudy with a 50 percent chance of snow Showers. Little or no snow accumulation. Cold with Lows in the mid 20s. Southwest Winds 5 to 10 Mph.

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Newtown Temperature Statistics

December Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 9 December, 2025

    10.9 °F

  • Average December

    31.5 °F

  • Highest 19 December, 2025

    57 °F

Climate (2021–Present)

Trenton, Mercer County Airport (6.8 miles)

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  • Average Low 2021–2025

    46.1 °F

  • Average 2021–2025

    55.3 °F

  • Average High 2021–2025

    64.3 °F
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