S
M
T
W
T
F
S
28
78°
54°
29
79°
57°
30
92°
63°
1
96°
72°
2
94°
72°
3
93°
71°
4
84°
69°
5
76°
67°
6
75°
64°
7
80°
63°
8
90°
61°
9
88°
67°
10
79°
63°
11
78°
59°
12
81°
56°
13
90°
54°
14
96°
69°
15
82°
69°
16
84°
64°
17
82°
60°
18
90°
59°
19
79°
55°
20
81°
50°
21
77°
60°
22
72°
49°
23
78°
49°
24
79°
51°
25
76°
58°
26
83°
59°
27
87°
61°
28
83°
61°
29
82°
59°
30
83°
58°
31
87°
69°
1
80°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dundas
Dundas's July 2026 forecast shows daily high temperatures ranging from 80° to 87°, with overnight lows between 58° and 69°. The average high for July is 83° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Dundas. See also: August | September | October.
