Newtown Weather Forecast

    • 59
    • 75

    Rain Showers

    • 61
    • 80

    Mostly Cloudy

    • 62
    • 85

    Mostly Cloudy

    • 56
    • 80

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

Today 25 May Lower Bucks

Cloudy. Patchy fog in the morning. Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Much warmer with Highs in the mid 70s. South Winds around 5 Mph, becoming west around 5 Mph in the afternoon. Chance of rain 80 percent.

Tonight 25 May Lower Bucks

Cloudy. Lows in the upper 50s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Newtown Temperature Statistics

May Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 12 May, 2026

    40.6 °F

  • Average May

    62 °F

  • Highest 19 May, 2026

    96.7 °F

Climate (2021–Present)

Trenton, Mercer County Airport (6.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.3 °F
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