Morrisville Weather Forecast

    • 61
    • 76

    Rain Showers Likely

    • 62
    • 70

    Rain Showers Likely

    • 60
    • 80

    Partly Sunny

    • 57
    • 83

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

    • 60
    • 80

    Partly Sunny

Today 16 Sep Lower Bucks

Mostly cloudy. A chance of Showers this afternoon. Highs in the mid 70s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 16 Sep Lower Bucks

Mostly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms after midnight. Lows around 60. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Morrisville Temperature Statistics

September Temperature

Trenton, Mercer County Airport (4.3 miles)

  • Lowest 8 September, 2025

    51.1 °F

  • Average September

    67.6 °F

  • Highest 5 September, 2025

    86 °F

Climate (2020–Present)

Trenton, Mercer County Airport (4.3 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.4 °F
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