S
M
T
W
T
F
S
26
63°
50°
27
62°
49°
28
62°
50°
29
63°
53°
30
64°
50°
31
64°
54°
1
65°
54°
2
63°
53°
3
64°
54°
4
64°
54°
5
67°
53°
6
67°
53°
7
64°
52°
8
63°
51°
9
62°
49°
10
62°
53°
11
64°
54°
12
64°
55°
13
65°
54°
14
66°
54°
15
67°
53°
16
66°
53°
17
62°
52°
18
62°
53°
19
63°
53°
20
64°
52°
21
64°
51°
22
61°
48°
23
61°
52°
24
63°
49°
25
62°
48°
26
61°
48°
27
61°
49°
28
62°
51°
29
61°
50°
30
61°
48°
31
62°
47°
1
60°
50°
2
60°
47°
3
61°
47°
4
60°
46°
5
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Galashiels
Galashiels's August 2026 forecast shows daily high temperatures ranging from 60° to 67°, with overnight lows between 46° and 55°. The average high for August is 63° with an average low of 51°. 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 Galashiels. See also: September | October | November.