S
M
T
W
T
F
S
26
64°
54°
27
63°
55°
28
65°
54°
29
66°
55°
30
67°
56°
31
67°
55°
1
66°
54°
2
62°
52°
3
62°
54°
4
63°
53°
5
62°
53°
6
62°
52°
7
62°
53°
8
62°
54°
9
63°
53°
10
64°
51°
11
62°
53°
12
63°
51°
13
63°
49°
14
65°
51°
15
66°
55°
16
64°
54°
17
66°
54°
18
65°
53°
19
66°
49°
20
64°
53°
21
65°
53°
22
65°
51°
23
62°
52°
24
64°
51°
25
63°
50°
26
60°
51°
27
60°
48°
28
62°
52°
29
64°
53°
30
65°
48°
31
64°
49°
1
64°
52°
2
63°
51°
3
62°
51°
4
61°
50°
5
63°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fort Augustus
Fort Augustus's August 2026 forecast shows daily high temperatures ranging from 60° to 67°, with overnight lows between 48° and 56°. 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 Fort Augustus. See also: September | October | November.
