S
M
T
W
T
F
S
26
59°
45°
27
63°
45°
28
64°
55°
29
64°
52°
30
59°
48°
31
61°
45°
1
63°
46°
2
59°
48°
3
62°
55°
4
59°
53°
5
57°
49°
6
60°
51°
7
61°
52°
8
61°
52°
9
62°
53°
10
63°
54°
11
63°
53°
12
64°
55°
13
64°
55°
14
63°
53°
15
63°
54°
16
62°
53°
17
62°
51°
18
59°
50°
19
59°
50°
20
60°
49°
21
59°
50°
22
59°
51°
23
60°
53°
24
62°
53°
25
63°
52°
26
61°
53°
27
61°
53°
28
63°
52°
29
63°
52°
30
62°
53°
31
59°
52°
1
60°
51°
2
59°
52°
3
59°
52°
4
58°
51°
5
61°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Stornoway/steornabhagh
Stornoway/steornabhagh's August 2026 forecast shows daily high temperatures ranging from 57° to 64°, with overnight lows between 48° and 55°. The average high for August is 61° 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 Stornoway/steornabhagh. See also: September | October | November.