S
M
T
W
T
F
S
26
82°
60°
27
84°
64°
28
74°
65°
29
79°
63°
30
82°
61°
31
87°
54°
1
79°
64°
2
69°
62°
3
80°
57°
4
85°
51°
5
85°
56°
6
79°
56°
7
82°
58°
8
79°
62°
9
78°
63°
10
77°
60°
11
80°
56°
12
78°
56°
13
77°
57°
14
74°
54°
15
75°
49°
16
71°
59°
17
77°
56°
18
81°
61°
19
78°
50°
20
75°
48°
21
75°
55°
22
72°
56°
23
69°
54°
24
69°
51°
25
72°
53°
26
70°
54°
27
72°
53°
28
73°
53°
29
77°
52°
30
73°
51°
31
72°
49°
1
68°
46°
2
70°
49°
3
69°
53°
4
66°
50°
5
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Petawawa
Petawawa's August 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 46° and 61°. The average high for August is 72° 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 Petawawa. See also: September | October | November.
