West Windsor Township Weather Forecast

    • 53
    • 70

    Rain Showers Likely

    • 50
    • 64

    Rain Showers Likely

    • 50
    • 64

    Chance Rain Showers

    • 49
    • 64

    Chance Rain Showers

    • 49
    • 65

    Chance Rain Showers

    • 50
    • 68

    Chance Rain Showers

Today 21 Sep Mercer

Mostly sunny in the Morning, then becoming mostly cloudy. Highs around 70. Northeast Winds 5 to 10 Mph.

Tonight 21 Sep Mercer

Cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the lower 50s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

West Windsor Township Temperature Statistics

September Temperature

Trenton, Mercer County Airport (9.9 miles)

  • Lowest 15 September, 2026

    51.7 °F

  • Average September

    72.8 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (9.9 miles)

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

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
Get WillyWeather+ to remove ads