S
M
T
W
T
F
S
26
63°
48°
27
68°
43°
28
72°
55°
29
66°
54°
30
63°
50°
31
66°
46°
1
63°
52°
2
64°
48°
3
59°
46°
4
63°
54°
5
66°
54°
6
61°
54°
7
64°
54°
8
66°
57°
9
64°
54°
10
63°
46°
11
66°
45°
12
81°
52°
13
75°
57°
14
64°
57°
15
64°
54°
16
64°
54°
17
62°
56°
18
67°
52°
19
60°
51°
20
59°
49°
21
59°
46°
22
60°
46°
23
63°
48°
24
65°
51°
25
65°
50°
26
65°
51°
27
63°
51°
28
64°
49°
29
63°
52°
30
61°
51°
31
61°
52°
1
62°
52°
2
61°
51°
3
61°
51°
4
62°
49°
5
62°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Nairn
Nairn's August 2026 forecast shows daily high temperatures ranging from 59° to 67°, with overnight lows between 46° and 56°. The average high for August is 62° with an average low of 51°. 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 Nairn. See also: September | October | November.