South River Weather Forecast
- 63
- 83
Thunderstorms
- 65
- 79
Rain Showers Likely
- 65
- 79
Rain Showers Likely
- 63
- 83
Chance Rain Showers
- 61
- 81
Mostly Sunny
- 62
- 82
Mostly Sunny
Today 20 Aug Middlesex
Mostly sunny with a slight chance of Showers this Morning, then mostly cloudy with Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall this afternoon. Highs in the lower 80s. Temperature falling into the upper 70s this afternoon. North Winds around 5 Mph, becoming southeast around 5 Mph this afternoon. Chance of rain 90 percent.
Tonight 20 Aug Middlesex
Mostly cloudy. Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Patchy fog after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Humid with Lows in the lower 60s. Northeast Winds around 5 Mph. Chance of rain 80 percent.
South River Temperature Statistics
August Temperature
Linden Airport (13.7 miles)
Lowest 4 August, 2026
64.4 °FAverage August
78.4 °FHighest 7 August, 2026
93.9 °F
Climate (2021–2026)
Linden Airport (13.7 miles)
Average Low 2021–2026
48 °FAverage 2021–2026
55.7 °FAverage High 2021–2026
63.9 °F