Newtown Weather Forecast

    • 68
    • 91

    Chance Thunderstorms

    • 63
    • 84

    Mostly Sunny

    • 61
    • 83

    Mostly Sunny

    • 62
    • 85

    Mostly Cloudy

    • 62
    • 81

    Rain Showers

    • 61
    • 83

    Mostly Sunny

Today 18 Jun Lower Bucks

Mostly cloudy this Morning, then becoming mostly sunny. A chance of Showers. A chance of Thunderstorms this afternoon. Hot with Highs around 90. South Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming southwest 15 to 20 Mph with Gusts up to 35 Mph this afternoon. Chance of rain 40 percent.

Tonight 18 Jun Lower Bucks

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the upper 60s. West Winds 15 to 20 Mph with Gusts up to 35 Mph, Diminishing to 5 to 10 Mph with Gusts up to 20 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Newtown Temperature Statistics

June Temperature

Trenton, Mercer County Airport (6.8 miles)

  • Lowest 2 June, 2026

    46.7 °F

  • Average June

    72.9 °F

  • Highest 12 June, 2026

    94.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (6.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.4 °F
Get WillyWeather+ to remove ads