Brookhaven Weather Forecast
- 70
- 85
Chance Thunderstorms
- 67
- 83
Mostly Sunny
- 66
- 80
Mostly Sunny
- 67
- 84
Mostly Cloudy
- 64
- 79
Slight Chance Rain Showers
- 64
- 78
Slight Chance Thunderstorms
Today 14 Aug Southwest Suffolk
Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the lower 80s. Southwest Winds around 5 Mph. Chance of rain 30 percent.
Tonight 14 Aug Southwest Suffolk
Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Humid with Lows around 70. Southwest Winds around 5 Mph, becoming north after midnight. Chance of rain 20 percent.
Brookhaven Temperature Statistics
August Temperature
Shirley, Brookhaven Airport (3.7 miles)
Lowest 9 August, 2025
51.7 °FAverage August
69.4 °FHighest 4 August, 2025
86.6 °F
Climate (2020–Present)
Shirley, Brookhaven Airport (3.7 miles)
Average Low 2020–2025
46.7 °FAverage 2020–2025
55 °FAverage High 2020–2025
63 °F