Long Island Weather Forecast
- 42
- 51
Rain
- 38
- 51
Mostly Cloudy
- 40
- 50
Rain Likely
- 29
- 46
Slight Chance Rain
- 32
- 40
Partly Sunny
- 31
- 45
Slight Chance Rain
Today 20 Mar Suffolk
Mostly sunny in the Morning, then becoming cloudy. Not as cool with Highs in the lower 50s. West Winds around 5 Mph, becoming south with Gusts up to 25 Mph in the afternoon.
Tonight 20 Mar Suffolk
Rain. Lows in the lower 40s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.
Long Island Temperature Statistics
March Temperature
Boston, Logan International Airport (3.1 miles)
Lowest 2 March, 2026
12.7 °FAverage March
40.7 °FHighest 10 March, 2026
73.9 °F
Climate (2021–Present)
Boston, Logan International Airport (3.1 miles)
Average Low 2021–2026
46.8 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
61 °F