S
M
T
W
T
F
S
26
97°
70°
27
96°
69°
28
96°
70°
29
95°
70°
30
97°
69°
31
97°
70°
1
96°
70°
2
92°
69°
3
95°
69°
4
94°
70°
5
95°
70°
6
93°
69°
7
91°
69°
8
92°
68°
9
90°
67°
10
88°
67°
11
89°
65°
12
87°
60°
13
86°
60°
14
87°
60°
15
91°
67°
16
89°
63°
17
89°
66°
18
91°
61°
19
86°
58°
20
83°
61°
21
85°
57°
22
84°
61°
23
84°
64°
24
86°
63°
25
88°
62°
26
87°
60°
27
85°
62°
28
83°
58°
29
81°
59°
30
82°
59°
31
83°
58°
1
83°
57°
2
81°
57°
3
81°
56°
4
80°
53°
5
79°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Scottish Highlands
Scottish Highlands's August 2026 forecast shows daily high temperatures ranging from 79° to 97°, with overnight lows between 53° and 70°. The average high for August is 88° with an average low of 64°. 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 Scottish Highlands. See also: September | October | November.