S
M
T
W
T
F
S
26
83°
68°
27
83°
70°
28
82°
69°
29
82°
70°
30
85°
71°
31
85°
71°
1
86°
70°
2
83°
69°
3
80°
65°
4
79°
66°
5
78°
65°
6
78°
64°
7
79°
68°
8
82°
68°
9
84°
69°
10
84°
69°
11
83°
68°
12
82°
69°
13
84°
68°
14
84°
67°
15
83°
69°
16
79°
69°
17
80°
68°
18
85°
69°
19
84°
68°
20
83°
63°
21
84°
61°
22
78°
61°
23
78°
63°
24
79°
63°
25
78°
61°
26
78°
67°
27
79°
62°
28
79°
60°
29
78°
61°
30
77°
59°
31
77°
59°
1
76°
60°
2
77°
61°
3
76°
62°
4
75°
60°
5
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Loch Arbour
Loch Arbour's August 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 59° and 71°. The average high for August is 81° with an average low of 66°. 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 Loch Arbour. See also: September | October | November.