Plainsboro Township Weather Forecast

    • 61
    • 84

    Partly Sunny

    • 63
    • 81

    Rain Showers

    • 59
    • 80

    Chance Rain Showers

    • 60
    • 84

    Mostly Sunny

    • 63
    • 87

    Chance Rain Showers

    • 64
    • 85

    Rain Showers Likely

    • 64
    • 87

    Slight Chance Thunderstorms

Today 21 Jun Middlesex

Mostly sunny. A slight chance of Showers this afternoon. Hot with Highs in the mid 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 21 Jun Middlesex

Partly cloudy. Lows in the lower 60s. Northwest Winds 5 to 10 Mph, becoming northeast after midnight.

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Plainsboro Township Temperature Statistics

June Temperature

Trenton, Mercer County Airport (12.4 miles)

  • Lowest 2 June, 2026

    46.7 °F

  • Average June

    72.7 °F

  • Highest 12 June, 2026

    94.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (12.4 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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