Plainsboro Township Weather Forecast

    • 61
    • 83

    Thunderstorms

    • 63
    • 80

    Slight Chance Rain Showers

    • 63
    • 78

    Rain Showers Likely

    • 60
    • 83

    Chance Thunderstorms

    • 58
    • 80

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 64
    • 84

    Chance Rain Showers

Today 20 Aug Middlesex

Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the mid 80s. Temperature falling into the upper 70s. Southeast Winds around 5 Mph. Chance of rain 90 percent.

Tonight 20 Aug Middlesex

Mostly cloudy. Showers and Thunderstorms likely late this Evening, then a chance of Showers. Some Thunderstorms may produce heavy rainfall late this evening. Lows in the lower 60s. North Winds 5 to 10 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plainsboro Township Temperature Statistics

August Temperature

Trenton, Mercer County Airport (12.4 miles)

  • Lowest 4 August, 2026

    63.6 °F

  • Average August

    78.2 °F

  • Highest 7 August, 2026

    93.7 °F

Climate (2021–2026)

Trenton, Mercer County Airport (12.4 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
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