Rocky Hill Weather Forecast

    • 12
    • 18

    Snow

    • 20
    • 27

    Snow/Sleet

    • 6
    • 29

    Chance Snow

    • 1
    • 18

    Partly Sunny

    • 5
    • 22

    Mostly Cloudy

    • 4
    • 20

    Partly Sunny

    • 5
    • 21

    Partly Sunny

Today 24 Jan Somerset

Partly sunny and much Colder. Near steady temperature around 17. North Winds around 5 Mph.

Tonight 24 Jan Somerset

Cloudy. A chance of snow after midnight. Little or no snow accumulation. Cold. Near steady temperature around 12. Northeast Winds around 5 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rocky Hill Temperature Statistics

January Temperature

Trenton, Mercer County Airport (12.4 miles)

  • Lowest 21 January, 2026

    1 °F

  • Average January

    32.8 °F

  • Highest 14 January, 2026

    54.6 °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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