Fire Island (Moriches Bay) Weather Forecast
- 72
- 76
Chance Thunderstorms
- 70
- 78
Chance Thunderstorms
- 66
- 76
Mostly Sunny
- 69
- 73
Partly Sunny
- 71
- 75
Partly Sunny
- 73
- 76
Mostly Cloudy
Today 19 Jul Southeast Suffolk
Sunny. Highs around 80. Southeast Winds around 5 Mph, becoming south in the afternoon.
Tonight 19 Jul Southeast Suffolk
Mostly clear. Lows in the lower 60s. Northeast Winds around 5 Mph.
Fire Island (Moriches Bay) Temperature Statistics
July Temperature
Shirley, Brookhaven Airport (7.5 miles)
Lowest 5 July, 2025
59.6 °FAverage July
76.5 °FHighest 8 July, 2025
90.6 °F
Climate (2020–Present)
Shirley, Brookhaven Airport (7.5 miles)
Average Low 2020–2025
46.8 °FAverage 2020–2025
55 °FAverage High 2020–2025
63 °F