Passaic River County Park Weather Forecast

    • 31
    • 50

    Partly Sunny

    • 31
    • 47

    Partly Sunny

    • 45
    • 52

    Rain Showers

    • 41
    • 56

    Rain Showers

    • 27
    • 51

    Chance Rain Showers

    • 26
    • 39

    Mostly Sunny

    • 28
    • 43

    Mostly Cloudy

Today 7 Jan Somerset

Widespread fog this morning. Mostly cloudy with a slight chance of rain this Morning, then partly sunny this afternoon. Highs in the upper 40s. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 7 Jan Somerset

Partly cloudy this Evening, then becoming mostly clear. Cold with Lows in the lower 30s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Passaic River County Park Temperature Statistics

January Temperature

Somerville, Somerset Airport (9.3 miles)

  • Lowest 3 January, 2026

    12 °F

  • Average January

    25.7 °F

  • Highest 5 January, 2026

    35.1 °F

Climate (2021–Present)

Somerville, Somerset Airport (9.3 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.7 °F
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