Roslyn Harbor Weather Forecast
- 65
- 89
Increasing Clouds
- 60
- 79
Partly Sunny
- 62
- 79
Partly Sunny
- 63
- 80
Chance Rain Showers
- 69
- 87
Chance Rain Showers
- 66
- 86
Chance Rain Showers
Today 14 Jun Northern Nassau
Partly sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph, increasing to south 15 to 20 Mph with Gusts up to 30 Mph this afternoon.
Tonight 14 Jun Northern Nassau
A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers with a chance of Thunderstorms after midnight. Lows in the mid 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming southwest 10 to 15 Mph after midnight. Chance of rain 80 percent.
Roslyn Harbor Temperature Statistics
June Temperature
Farmingdale - Republic Airport (12.4 miles)
Lowest 2 June, 2026
48.9 °FAverage June
69.6 °FHighest 11 June, 2026
93 °F
Climate (2021–Present)
Farmingdale - Republic Airport (12.4 miles)
Average Low 2021–2026
48.1 °FAverage 2021–2026
55.6 °FAverage High 2021–2026
63 °F