Lake Ronkonkoma Weather Forecast
- 27
- 38
Chance Rain
- 31
- 43
Rain
- 18
- 38
Partly Sunny
- 31
- 39
Chance Rain/Snow
- 29
- 49
Mostly Cloudy
- 24
- 40
Partly Sunny
Today 30 Jan Northwest Suffolk
Sunny. Highs in the upper 30s. West Winds 15 to 20 Mph. Gusts up to 30 Mph this morning.
Tonight 30 Jan Northwest Suffolk
Mostly cloudy. A chance of freezing rain after midnight. Lows in the upper 20s. South Winds 10 to 15 Mph. Chance of precipitation 50 percent.
Lake Ronkonkoma Temperature Statistics
January Temperature
Islip, Long Island Mac Arthur Airport (3.1 miles)
Lowest 22 January, 2025
7.8 °FAverage January
30.5 °FHighest 1 January, 2025
54.6 °F
Climate (2020–Present)
Islip, Long Island Mac Arthur Airport (3.1 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
47.3 °FAverage 2020–2025
55 °FAverage High 2020–2025
62.8 °F