Alder Island Weather Forecast
- 48
- 51
Chance Rain Showers
- 43
- 54
Rain Showers
- 36
- 49
Slight Chance Rain Showers
- 43
- 47
Slight Chance Rain Showers
- 46
- 55
Slight Chance Rain Showers
- 50
- 58
Partly Sunny
- 49
- 56
Partly Sunny
Today 18 Apr Southern Nassau
Partly sunny. Highs around 60. Southeast Winds around 10 Mph with Gusts up to 20 Mph.
Tonight 18 Apr Southern Nassau
Cloudy. Patchy fog this Evening, then Areas of fog after midnight. Lows in the upper 40s. Southeast Winds 10 to 15 Mph.
Alder Island Temperature Statistics
April Temperature
New York, Kennedy International Airport (9.9 miles)
Lowest 8 April, 2026
30.7 °FAverage April
53.6 °FHighest 14 April, 2026
80.7 °F
Climate (2021–Present)
New York, Kennedy International Airport (9.9 miles)
Average Low 2021–2026
49.3 °FAverage 2021–2026
56.2 °FAverage High 2021–2026
63.5 °F