S
M
T
W
T
F
S
26
66°
52°
27
67°
53°
28
63°
49°
29
64°
54°
30
67°
54°
31
66°
53°
1
66°
54°
2
67°
53°
3
64°
53°
4
63°
54°
5
67°
54°
6
66°
53°
7
62°
52°
8
64°
54°
9
66°
54°
10
67°
55°
11
67°
55°
12
66°
54°
13
66°
55°
14
65°
54°
15
63°
53°
16
63°
50°
17
64°
53°
18
64°
53°
19
65°
52°
20
63°
52°
21
65°
47°
22
62°
52°
23
62°
52°
24
65°
53°
25
63°
52°
26
63°
52°
27
64°
51°
28
62°
50°
29
62°
51°
30
63°
51°
31
62°
50°
1
63°
52°
2
64°
51°
3
62°
52°
4
64°
51°
5
63°
49°
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 62° to 67°, with overnight lows between 47° and 55°. The average high for August is 64° with an average low of 52°. 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.