Mount Sinai Weather Forecast
- 46
- 56
Rain Showers Likely
- 43
- 63
Chance Rain Showers
- 44
- 57
Partly Sunny
- 44
- 60
Mostly Sunny
- 48
- 60
Chance Rain Showers
- 41
- 60
Chance Rain Showers
Today 19 Apr Northwest Suffolk
Partly sunny. Highs in the mid 50s. East Winds 5 to 10 Mph, becoming southeast this afternoon.
Tonight 19 Apr Northwest Suffolk
Cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Patchy fog after midnight. Lows in the mid 40s. South Winds 5 to 10 Mph. Chance of rain 70 percent.
Mount Sinai Temperature Statistics
April Temperature
Islip, Long Island Mac Arthur Airport (11.2 miles)
Lowest 5 April, 2024
35.7 °FAverage April
50.8 °FHighest 15 April, 2024
78.1 °F
Climate (2019–Present)
Islip, Long Island Mac Arthur Airport (11.2 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