Setauket Harbor Weather Forecast
- 39
- 52
Sunny
- 42
- 58
Mostly Sunny
- 48
- 57
Mostly Cloudy
- 54
- 66
Mostly Cloudy
- 53
- 71
Mostly Cloudy
- 53
- 67
Chance Rain Showers
Today 25 Apr Northwest Suffolk
Sunny. Highs in the mid 50s. Northeast Winds 10 to 15 Mph.
Tonight 25 Apr Northwest Suffolk
Mostly clear. Lows in the upper 30s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.
Setauket Harbor Temperature Statistics
April Temperature
Islip, Long Island Mac Arthur Airport (10.6 miles)
Lowest 5 April, 2024
35.7 °FAverage April
50.4 °FHighest 15 April, 2024
78.7 °F
Climate (2019–Present)
Islip, Long Island Mac Arthur Airport (10.6 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
47.3 °FAverage 2019–2024
54.9 °FAverage High 2019–2024
62.5 °F