S
M
T
W
T
F
S
26
95°
78°
27
94°
76°
28
94°
77°
29
96°
77°
30
95°
78°
31
91°
79°
1
91°
78°
2
90°
79°
3
92°
78°
4
91°
79°
5
89°
81°
6
88°
77°
7
90°
78°
8
89°
77°
9
91°
78°
10
92°
79°
11
91°
78°
12
91°
76°
13
92°
77°
14
93°
76°
15
90°
79°
16
89°
79°
17
88°
78°
18
88°
78°
19
89°
77°
20
89°
78°
21
88°
78°
22
88°
77°
23
89°
78°
24
88°
78°
25
88°
77°
26
89°
78°
27
88°
78°
28
89°
77°
29
89°
78°
30
88°
78°
31
89°
78°
1
90°
77°
2
87°
78°
3
86°
78°
4
87°
77°
5
87°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Boynton Beach
Boynton Beach's August 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 76° and 81°. The average high for August is 89° with an average low of 78°. 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 Boynton Beach. See also: September | October | November.
