South River Weather Forecast

    • 15
    • 29

    Decreasing Clouds

    • 19
    • 31

    Partly Sunny

    • 22
    • 42

    Mostly Cloudy

    • 39
    • 52

    Rain

    • 23
    • 53

    Mostly Cloudy

    • 30
    • 38

    Chance Rain

    • 27
    • 47

    Slight Chance Rain

Today 15 Dec Middlesex

Sunny this Morning, then becoming mostly cloudy. Cold with Highs in the upper 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 15 Dec Middlesex

Mostly cloudy this Evening, then becoming partly cloudy. Cold with Lows around 14. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

South River Temperature Statistics

December Temperature

Linden Airport (13.7 miles)

  • Lowest 9 December, 2025

    16.7 °F

  • Average December

    33.2 °F

  • Highest 10 December, 2025

    46.4 °F

Climate (2020–Present)

Linden Airport (13.7 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    55.7 °F

  • Average High 2020–2025

    64 °F
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