S
M
T
W
T
F
S
26
66°
55°
27
65°
55°
28
62°
51°
29
62°
50°
30
61°
54°
31
62°
55°
1
64°
54°
2
63°
52°
3
62°
52°
4
61°
51°
5
62°
56°
6
66°
55°
7
66°
55°
8
64°
56°
9
65°
55°
10
66°
55°
11
66°
54°
12
67°
55°
13
66°
52°
14
67°
55°
15
66°
55°
16
66°
54°
17
65°
51°
18
65°
50°
19
66°
50°
20
66°
54°
21
65°
52°
22
66°
54°
23
66°
55°
24
65°
52°
25
64°
53°
26
61°
48°
27
62°
50°
28
61°
52°
29
62°
51°
30
61°
51°
31
61°
49°
1
60°
50°
2
60°
49°
3
61°
51°
4
61°
49°
5
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gullane
Gullane's August 2026 forecast shows daily high temperatures ranging from 60° to 67°, with overnight lows between 48° and 56°. The average high for August is 64° with an average low of 53°. 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 Gullane. See also: September | October | November.