Monmouth Junction Weather Forecast

    • 53
    • 77

    Becoming Sunny

    • 61
    • 85

    Mostly Sunny

    • 69
    • 87

    Chance Thunderstorms

    • 70
    • 97

    Chance Thunderstorms

    • 68
    • 92

    Chance Thunderstorms

    • 67
    • 92

    Chance Thunderstorms

Today 8 Jun Middlesex

Partly sunny this Morning, then clearing. Highs in the upper 70s. East Winds 5 to 10 Mph.

Tonight 8 Jun Middlesex

Clear. Lows in the mid 50s. South Winds 5 to 10 Mph, becoming southwest after midnight.

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Monmouth Junction Temperature Statistics

June Temperature

Trenton, Mercer County Airport (15.5 miles)

  • Lowest 2 June, 2026

    46.7 °F

  • Average June

    69.3 °F

  • Highest 5 June, 2026

    90.6 °F

Climate (2021–Present)

Trenton, Mercer County Airport (15.5 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.4 °F
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