S
M
T
W
T
F
S
28
66°
57°
29
64°
55°
30
63°
57°
1
63°
55°
2
63°
55°
3
61°
54°
4
61°
57°
5
61°
57°
6
63°
59°
7
61°
57°
8
72°
57°
9
68°
57°
10
75°
55°
11
75°
61°
12
77°
57°
13
75°
54°
14
75°
52°
15
80°
53°
16
80°
55°
17
75°
56°
18
71°
53°
19
68°
55°
20
67°
54°
21
69°
54°
22
72°
56°
23
73°
55°
24
74°
54°
25
73°
55°
26
71°
56°
27
63°
52°
28
64°
52°
29
63°
54°
30
64°
52°
31
65°
55°
1
65°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dundonald
Dundonald's July 2026 forecast shows daily high temperatures ranging from 63° to 80°, with overnight lows between 52° and 56°. The average high for July is 70° with an average low of 54°. 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 Dundonald. See also: August | September | October.