S
M
T
W
T
F
S
26
88°
69°
27
89°
68°
28
87°
68°
29
88°
70°
30
88°
71°
31
89°
69°
1
88°
69°
2
91°
70°
3
91°
68°
4
88°
68°
5
90°
74°
6
92°
69°
7
87°
67°
8
86°
67°
9
87°
68°
10
87°
69°
11
88°
68°
12
86°
67°
13
86°
67°
14
91°
70°
15
91°
69°
16
90°
71°
17
90°
70°
18
89°
71°
19
86°
70°
20
85°
71°
21
88°
70°
22
85°
71°
23
90°
68°
24
90°
68°
25
91°
71°
26
91°
71°
27
90°
70°
28
90°
70°
29
89°
67°
30
88°
68°
31
88°
68°
1
87°
67°
2
87°
66°
3
86°
65°
4
87°
69°
5
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Brookhaven
Brookhaven's August 2026 forecast shows daily high temperatures ranging from 85° to 92°, with overnight lows between 65° and 74°. The average high for August is 88° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Brookhaven. See also: September | October | November.
