Hightstown Weather Forecast

    • 68
    • 87

    Severe Tstms

    • 62
    • 84

    Chance Rain Showers

    • 59
    • 79

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 62
    • 78

    Partly Sunny

    • 65
    • 82

    Chance Rain Showers

    • 65
    • 86

    Chance Thunderstorms

Today 21 Jul Mercer

Showers likely. A chance of Thunderstorms this Morning, then Thunderstorms likely this afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 21 Jul Mercer

Showers and Thunderstorms this Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce damaging Winds, large Hail, heavy Rainfall, and Tornadoes, then some Thunderstorms may produce heavy rainfall after midnight. Locally heavy rainfall possible this evening. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

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Hightstown Temperature Statistics

July Temperature

Trenton, Mercer County Airport (14.9 miles)

  • Lowest 13 July, 2026

    63.6 °F

  • Average July

    78.8 °F

  • Highest 2 July, 2026

    101.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (14.9 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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