S
M
T
W
T
F
S
26
60°
48°
27
59°
48°
28
60°
54°
29
62°
53°
30
61°
53°
31
60°
52°
1
60°
52°
2
61°
51°
3
61°
49°
4
62°
53°
5
62°
53°
6
62°
52°
7
61°
50°
8
62°
52°
9
64°
53°
10
65°
52°
11
67°
54°
12
66°
53°
13
68°
53°
14
67°
52°
15
66°
48°
16
61°
52°
17
61°
52°
18
62°
51°
19
60°
51°
20
60°
50°
21
61°
48°
22
64°
52°
23
64°
49°
24
61°
48°
25
60°
46°
26
59°
47°
27
60°
47°
28
65°
52°
29
63°
51°
30
64°
50°
31
65°
51°
1
64°
50°
2
65°
51°
3
65°
51°
4
64°
52°
5
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Prince Rupert
Prince Rupert's August 2026 forecast shows daily high temperatures ranging from 59° to 68°, with overnight lows between 46° and 54°. The average high for August is 63° 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 Prince Rupert. See also: September | October | November.
