Wantagh Reservoir Weather Forecast

    • 30
    • 38

    Cloudy

    • 36
    • 43

    Chance Rain

    • 33
    • 49

    Partly Sunny

    • 38
    • 47

    Chance Rain

    • 41
    • 49

    Chance Rain

    • 33
    • 51

    Chance Rain

Today 5 Jan Southern Nassau

Mostly cloudy with a 20 percent chance of light snow. Highs in the upper 30s. West Winds around 5 Mph, becoming south in the afternoon.

Tonight 5 Jan Southern Nassau

Mostly cloudy. Lows in the lower 30s. Southwest Winds 5 to 10 Mph, becoming west after midnight.

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Wantagh Reservoir Temperature Statistics

January Temperature

Farmingdale - Republic Airport (5.6 miles)

  • Lowest 1 January, 2026

    18 °F

  • Average January

    26.1 °F

  • Highest 1 January, 2026

    37 °F

Climate (2021–Present)

Farmingdale - Republic Airport (5.6 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    63.2 °F
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