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