Newtown Weather Forecast

    • 68
    • 88

    Chance Rain Showers

    • 59
    • 82

    Partly Sunny

    • 68
    • 83

    Rain Showers Likely

    • 65
    • 84

    Partly Sunny

    • 57
    • 79

    Partly Sunny

    • 61
    • 78

    Partly Sunny

    • 64
    • 83

    Chance Rain Showers

Today 10 Sep Lower Bucks

Mostly cloudy this Morning, then becoming mostly sunny. Hot with Highs in the upper 80s. West Winds 5 to 10 Mph.

Tonight 10 Sep Lower Bucks

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 60s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Newtown Temperature Statistics

September Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 8 September, 2026

    57.9 °F

  • Average September

    74 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (6.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
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