Newtown Weather Forecast

    • 26
    • 34

    Increasing Clouds

    • 29
    • 43

    Rain

    • 25
    • 37

    Partly Sunny

    • 26
    • 37

    Chance Snow

    • 25
    • 40

    Chance Snow

    • 15
    • 33

    Partly Sunny

Today 9 Dec Lower Bucks

Mostly sunny. Near steady temperature in the lower 30s. South Winds around 5 Mph.

Tonight 9 Dec Lower Bucks

Mostly cloudy and not as cold. Near steady temperature in the upper 20s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Newtown Temperature Statistics

December Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 5 December, 2025

    19.9 °F

  • Average December

    32.2 °F

  • Highest 1 December, 2025

    42.1 °F

Climate (2020–Present)

Trenton, Mercer County Airport (6.8 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.4 °F
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