Hightstown Weather Forecast

    • 65
    • 82

    Rain Showers

    • 52
    • 76

    Slight Chance Rain Showers

    • 54
    • 75

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 62
    • 84

    Partly Sunny

    • 60
    • 82

    Chance Rain Showers

Today 13 Sep Mercer

Patchy fog in the morning. Cloudy with Showers with a chance of Thunderstorms in the Morning, then partly sunny in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning. Humid with Highs in the lower 80s. South Winds around 5 Mph, becoming northwest around 5 Mph in the afternoon. Chance of rain 90 percent.

Tonight 13 Sep Mercer

Mostly clear in the Evening, then partly cloudy with a chance of Showers after midnight. Humid with Lows in the mid 60s. West Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hightstown Temperature Statistics

September Temperature

Trenton, Mercer County Airport (14.9 miles)

  • Lowest 8 September, 2026

    56.6 °F

  • Average September

    74.5 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (14.9 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
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