S
M
T
W
T
F
S
26
77°
57°
27
81°
60°
28
83°
60°
29
85°
59°
30
78°
55°
31
80°
54°
1
76°
55°
2
77°
54°
3
77°
55°
4
78°
54°
5
77°
56°
6
77°
60°
7
78°
62°
8
81°
61°
9
81°
57°
10
82°
60°
11
84°
59°
12
80°
58°
13
85°
52°
14
77°
57°
15
77°
61°
16
79°
58°
17
77°
53°
18
76°
52°
19
75°
54°
20
76°
53°
21
75°
52°
22
74°
53°
23
75°
55°
24
77°
50°
25
74°
60°
26
74°
60°
27
81°
59°
28
79°
51°
29
80°
58°
30
77°
51°
31
75°
50°
1
72°
58°
2
72°
50°
3
73°
48°
4
71°
57°
5
72°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dundas
Dundas's August 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 48° and 62°. The average high for August is 78° with an average low of 56°. 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 Dundas. See also: September | October | November.
