Wanaque Reservoir Weather Forecast
- 53
- 78
Increasing Clouds
- 54
- 78
Partly Sunny
- 54
- 80
Mostly Sunny
- 58
- 81
Partly Sunny
- 60
- 80
Rain Showers Likely
- 54
- 76
Rain Showers Likely
Today 31 Aug Western Passaic
Sunny. Highs in the mid 70s. North Winds around 5 Mph.
Tonight 31 Aug Western Passaic
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. North Winds around 5 Mph.
Wanaque Reservoir Temperature Statistics
August Temperature
Caldwell, Essex County Airport (13 miles)
Lowest 22 August, 2025
54.6 °FAverage August
74.4 °FHighest 12 August, 2025
93.7 °F
Climate (2020–Present)
Caldwell, Essex County Airport (13 miles)
Average Low 2020–2025
47.2 °FAverage 2020–2025
56.4 °FAverage High 2020–2025
65.6 °F