Wantagh Reservoir Weather Forecast
- 55
- 81
Becoming Sunny
- 51
- 69
Sunny
- 52
- 67
Mostly Sunny
- 55
- 71
Mostly Sunny
- 59
- 77
Mostly Sunny
- 60
- 78
Mostly Sunny
- 63
- 77
Mostly Sunny
Today 30 Sep Southern Nassau
Partly sunny. Near steady temperature in the upper 70s. Northeast Winds around 10 Mph.
Tonight 30 Sep Southern Nassau
Mostly cloudy this Evening, then clearing. Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.
Wantagh Reservoir Temperature Statistics
September Temperature
Farmingdale - Republic Airport (5.6 miles)
Lowest 22 September, 2025
51.1 °FAverage September
68.2 °FHighest 19 September, 2025
84 °F
Climate (2020–Present)
Farmingdale - Republic Airport (5.6 miles)
Average Low 2020–2025
48.6 °FAverage 2020–2025
56 °FAverage High 2020–2025
63.4 °F