Newtown Weather Forecast

    • 53
    • 67

    Mostly Cloudy

    • 56
    • 72

    Chance Rain Showers

    • 56
    • 68

    Rain Showers Likely

    • 55
    • 67

    Rain Showers Likely

    • 55
    • 69

    Mostly Cloudy

    • 55
    • 73

    Partly Sunny

    • 59
    • 77

    Partly Sunny

Today 24 Sep Lower Bucks

Partly sunny. Highs in the upper 70s.

Tonight 24 Sep Lower Bucks

Mostly cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Newtown Temperature Statistics

September Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 15 September, 2026

    51.7 °F

  • Average September

    71.6 °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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