S
M
T
W
T
F
S
26
89°
69°
27
90°
69°
28
89°
68°
29
88°
69°
30
87°
69°
31
90°
70°
1
91°
69°
2
90°
70°
3
91°
67°
4
90°
69°
5
90°
67°
6
85°
68°
7
87°
63°
8
86°
62°
9
85°
63°
10
85°
63°
11
88°
68°
12
90°
68°
13
90°
67°
14
89°
62°
15
87°
62°
16
85°
68°
17
84°
67°
18
87°
62°
19
85°
62°
20
84°
63°
21
84°
62°
22
86°
62°
23
85°
61°
24
85°
61°
25
86°
63°
26
87°
66°
27
88°
67°
28
89°
68°
29
89°
68°
30
88°
66°
31
87°
59°
1
83°
58°
2
80°
59°
3
81°
60°
4
82°
59°
5
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lake Arbor
Lake Arbor's August 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 58° and 70°. The average high for August is 87° with an average low of 65°. 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 Lake Arbor. See also: September | October | November.