S
M
T
W
T
F
S
26
79°
62°
27
81°
62°
28
82°
61°
29
76°
61°
30
79°
62°
31
81°
62°
1
82°
62°
2
81°
60°
3
81°
60°
4
83°
57°
5
82°
52°
6
75°
53°
7
78°
59°
8
77°
56°
9
76°
56°
10
72°
54°
11
74°
60°
12
78°
59°
13
77°
55°
14
74°
52°
15
72°
52°
16
73°
53°
17
76°
54°
18
70°
52°
19
72°
50°
20
73°
51°
21
74°
55°
22
76°
58°
23
79°
58°
24
80°
57°
25
79°
57°
26
78°
58°
27
79°
57°
28
78°
56°
29
77°
57°
30
74°
50°
31
72°
46°
1
67°
48°
2
67°
46°
3
66°
45°
4
66°
46°
5
67°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Carleton Place
Carleton Place's August 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 45° and 62°. The average high for August is 76° with an average low of 55°. 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 Carleton Place. See also: September | October | November.