Newtown Weather Forecast

    • 63
    • 83

    Thunderstorms

    • 65
    • 81

    Chance Rain Showers

    • 65
    • 79

    Rain Showers Likely

    • 63
    • 84

    Chance Thunderstorms

    • 60
    • 81

    Mostly Sunny

    • 62
    • 82

    Mostly Sunny

Today 20 Aug Lower Bucks

Mostly sunny with a slight chance of Showers this Morning, then mostly cloudy with Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall this afternoon. Highs in the lower 80s. Temperature falling into the upper 70s this afternoon. North Winds around 5 Mph, becoming east around 5 Mph this afternoon. Chance of rain 90 percent.

Tonight 20 Aug Lower Bucks

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Humid with Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Newtown Temperature Statistics

August Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 4 August, 2026

    63.6 °F

  • Average August

    78.2 °F

  • Highest 7 August, 2026

    93.7 °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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