Hamilton Square Weather Forecast

    • 69
    • 85

    Thunderstorms Likely

    • 67
    • 88

    Chance Thunderstorms

    • 66
    • 84

    Slight Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

    • 65
    • 84

    Mostly Sunny

    • 70
    • 90

    Mostly Sunny

Today 9 Jul Mercer

Mostly sunny with a chance of Showers with a slight chance of Thunderstorms this Morning, then mostly cloudy with Showers and Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 80s. Southwest Winds around 5 Mph. Chance of rain 90 percent.

Tonight 9 Jul Mercer

Mostly cloudy with Showers and Thunderstorms likely in the Evening, then partly cloudy with a slight chance of Showers after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the upper 60s. Southwest Winds around 5 Mph. Chance of rain 70 percent.

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Hamilton Square Temperature Statistics

July Temperature

Trenton, Mercer County Airport (8.7 miles)

  • Lowest 6 July, 2026

    66 °F

  • Average July

    82.7 °F

  • Highest 2 July, 2026

    101.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (8.7 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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