S
M
T
W
T
F
S
26
75°
58°
27
79°
59°
28
79°
58°
29
73°
58°
30
72°
56°
31
71°
55°
1
71°
58°
2
72°
56°
3
74°
58°
4
73°
57°
5
74°
58°
6
79°
59°
7
79°
58°
8
78°
59°
9
79°
58°
10
79°
59°
11
80°
58°
12
80°
60°
13
79°
59°
14
79°
58°
15
78°
58°
16
79°
59°
17
79°
59°
18
78°
58°
19
79°
59°
20
79°
59°
21
78°
58°
22
79°
58°
23
78°
59°
24
76°
52°
25
75°
57°
26
76°
56°
27
77°
57°
28
79°
57°
29
78°
56°
30
79°
57°
31
78°
56°
1
77°
55°
2
77°
50°
3
76°
48°
4
77°
49°
5
75°
48°
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 71° to 80°, with overnight lows between 48° and 60°. The average high for August is 77° with an average low of 57°. 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.
