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°
50°
15
74°
55°
16
75°
56°
17
71°
54°
18
70°
52°
19
69°
53°
20
70°
55°
21
69°
55°
22
69°
56°
23
68°
55°
24
67°
54°
25
69°
57°
26
69°
55°
27
66°
56°
28
64°
50°
29
68°
53°
30
67°
54°
31
67°
53°
1
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Dundrennan
Dundrennan's July 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 50° and 57°. The average high for July is 69° 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 Dundrennan. See also: August | September | October.