Rocky Hill Weather Forecast

    • 38
    • 45

    Rain

    • 28
    • 45

    Decreasing Clouds

    • 28
    • 41

    Mostly Sunny

    • 35
    • 46

    Mostly Cloudy

    • 28
    • 49

    Chance Rain

    • 19
    • 37

    Slight Chance Snow

    • 20
    • 34

    Partly Sunny

Today 10 Jan Somerset

Rain, cooler. Near steady temperature in the lower 40s. East Winds around 5 Mph. Chance of rain near 100 percent.

Tonight 10 Jan Somerset

Rain, mainly this evening. Patchy fog. Near steady temperature around 40. Northeast Winds around 5 Mph, becoming west after midnight. Chance of rain near 100 percent.

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Rocky Hill Temperature Statistics

January Temperature

Trenton, Mercer County Airport (12.4 miles)

  • Lowest 3 January, 2026

    17.1 °F

  • Average January

    31.7 °F

  • Highest 7 January, 2026

    52 °F

Climate (2021–Present)

Trenton, Mercer County Airport (12.4 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.3 °F
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