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