Middle Island Weather Forecast
- 71
- 83
Slight Chance Rain Showers
- 73
- 87
Slight Chance Thunderstorms
- 72
- 88
Chance Rain Showers
- 72
- 87
Chance Rain Showers
- 72
- 88
Mostly Sunny
- 72
- 89
Partly Sunny
Today 5 Aug Northwest Suffolk
Partly sunny. Humid with Highs in the lower 80s. Northeast Winds around 5 Mph, becoming south in the afternoon.
Tonight 5 Aug Northwest Suffolk
Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.
Middle Island Temperature Statistics
August Temperature
Shirley, Brookhaven Airport (5.6 miles)
Lowest 1 August, 2026
73 °FAverage August
76.8 °FHighest 1 August, 2026
82 °F
Climate (2021–2026)
Shirley, Brookhaven Airport (5.6 miles)
Average Low 2021–2026
46.1 °FAverage 2021–2026
54.5 °FAverage High 2021–2026
62.5 °F