South River Weather Forecast

    • 52
    • 64

    Rain Showers Likely

    • 49
    • 64

    Mostly Cloudy

    • 50
    • 59

    Rain Showers

    • 55
    • 67

    Chance Rain Showers

    • 59
    • 76

    Chance Rain Showers

    • 60
    • 80

    Slight Chance Rain Showers

Today 21 May Middlesex

Showers likely with a slight chance of Thunderstorms this Morning, then a chance of Showers this afternoon. Much cooler with Highs in the mid 60s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 21 May Middlesex

Mostly cloudy. Lows in the lower 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South River Temperature Statistics

May Temperature

Linden Airport (13.7 miles)

  • Lowest 1 May, 2026

    43.7 °F

  • Average May

    62.2 °F

  • Highest 18 May, 2026

    91.6 °F

Climate (2021–Present)

Linden Airport (13.7 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    63.9 °F
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