S
M
T
W
T
F
S
26
61°
58°
27
61°
56°
28
72°
57°
29
69°
56°
30
65°
58°
31
69°
58°
1
69°
60°
2
66°
58°
3
69°
60°
4
70°
63°
5
73°
62°
6
70°
62°
7
73°
63°
8
71°
64°
9
69°
62°
10
68°
62°
11
73°
61°
12
76°
62°
13
71°
63°
14
67°
62°
15
65°
61°
16
66°
59°
17
71°
58°
18
74°
62°
19
69°
64°
20
72°
63°
21
75°
64°
22
68°
63°
23
71°
61°
24
70°
59°
25
74°
64°
26
68°
61°
27
69°
60°
28
67°
56°
29
66°
58°
30
63°
60°
31
71°
55°
1
73°
59°
2
64°
51°
3
64°
50°
4
66°
51°
5
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Nanaimo
Nanaimo's August 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 50° and 59°. The average high for August is 68° with an average low of 53°. 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 Nanaimo. See also: September | October | November.
