Monmouth Junction Weather Forecast

    • 61
    • 75

    Mostly Cloudy

    • 61
    • 76

    Partly Sunny

    • 64
    • 79

    Mostly Cloudy

    • 61
    • 82

    Partly Sunny

    • 61
    • 83

    Partly Sunny

    • 64
    • 84

    Chance Rain Showers

Today 18 Aug Middlesex

Mostly cloudy. Not as warm with Highs in the mid 70s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Aug Middlesex

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 60s. East Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Monmouth Junction Temperature Statistics

August Temperature

Trenton, Mercer County Airport (15.5 miles)

  • Lowest 3 August, 2025

    56.6 °F

  • Average August

    74.1 °F

  • Highest 13 August, 2025

    93.7 °F

Climate (2020–Present)

Trenton, Mercer County Airport (15.5 miles)

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

  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.4 °F
Get WillyWeather+ to remove ads