S
M
T
W
T
F
S
26
66°
50°
27
66°
48°
28
70°
59°
29
63°
50°
30
63°
46°
31
63°
43°
1
55°
43°
2
60°
45°
3
52°
48°
4
54°
49°
5
55°
45°
6
53°
42°
7
55°
44°
8
58°
43°
9
57°
42°
10
58°
45°
11
59°
47°
12
59°
47°
13
58°
46°
14
61°
51°
15
56°
51°
16
58°
50°
17
58°
49°
18
55°
46°
19
55°
45°
20
54°
45°
21
54°
46°
22
55°
45°
23
54°
46°
24
56°
50°
25
59°
49°
26
55°
49°
27
54°
47°
28
57°
50°
29
58°
49°
30
59°
50°
31
56°
48°
1
57°
46°
2
54°
45°
3
53°
45°
4
54°
46°
5
53°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lochearnhead
Lochearnhead's August 2026 forecast shows daily high temperatures ranging from 52° to 61°, with overnight lows between 42° and 51°. The average high for August is 56° with an average low of 47°. 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 Lochearnhead. See also: September | October | November.