Peconic Lake Weather Forecast
- 72
- 84
Chance Thunderstorms
- 69
- 86
Chance Thunderstorms
- 65
- 85
Mostly Sunny
- 67
- 82
Mostly Sunny
- 71
- 85
Partly Sunny
- 74
- 89
Chance Rain Showers
Today 19 Jul Southeast Suffolk
Sunny. Highs around 80. Southeast Winds around 5 Mph, becoming south in the afternoon.
Tonight 19 Jul Southeast Suffolk
Partly cloudy with a chance of Showers in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.
Peconic Lake Temperature Statistics
July Temperature
The Gabreski Airport (6.8 miles)
Lowest 4 July, 2025
54.6 °FAverage July
75.2 °FHighest 8 July, 2025
88.6 °F
Climate (2020–Present)
The Gabreski Airport (6.8 miles)
Average Low 2020–2025
44.2 °FAverage 2020–2025
53.7 °FAverage High 2020–2025
62.2 °F