Pennington / Prospect Weather Forecast

    • 59
    • 85

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

    • 59
    • 78

    Mostly Cloudy

    • 60
    • 79

    Mostly Cloudy

    • 61
    • 81

    Chance Rain Showers

    • 62
    • 85

    Partly Sunny

Today 14 Sep Mercer

Sunny. Highs in the mid 80s. Light and variable Winds, becoming northeast around 5 Mph this afternoon.

Tonight 14 Sep Mercer

Partly cloudy in the Evening, then becoming mostly clear. Patchy fog after midnight. Lows in the upper 50s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Pennington / Prospect Temperature Statistics

September Temperature

Trenton, Mercer County Airport (3.1 miles)

  • Lowest 8 September, 2025

    51.1 °F

  • Average September

    67.2 °F

  • Highest 5 September, 2025

    86 °F

Climate (2020–Present)

Trenton, Mercer County Airport (3.1 miles)

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

  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.4 °F
Get WillyWeather+ to remove ads