Rocky Hill Weather Forecast

    • 61
    • 76

    Increasing Clouds

    • 63
    • 79

    Partly Sunny

    • 60
    • 83

    Chance Rain Showers

    • 54
    • 71

    Chance Rain Showers

    • 53
    • 67

    Chance Rain Showers

    • 45
    • 67

    Mostly Sunny

Today 30 Sep Somerset

Patchy fog in the morning. Mostly sunny. Highs in the mid 70s. Light and variable Winds, becoming west around 5 Mph in the afternoon.

Tonight 30 Sep Somerset

Mostly cloudy. Lows in the lower 60s. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rocky Hill Temperature Statistics

September Temperature

Trenton, Mercer County Airport (12.4 miles)

  • Lowest 24 September, 2026

    50.6 °F

  • Average September

    69.6 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (12.4 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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