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
65°
57°
5
63°
57°
6
64°
56°
7
67°
56°
8
67°
57°
9
70°
58°
10
69°
57°
11
69°
55°
12
72°
58°
13
71°
57°
14
69°
56°
15
67°
57°
16
68°
55°
17
68°
53°
18
65°
51°
19
66°
48°
20
64°
50°
21
64°
52°
22
65°
49°
23
64°
48°
24
65°
48°
25
67°
53°
26
68°
52°
27
66°
52°
28
67°
53°
29
65°
53°
30
65°
51°
31
64°
50°
1
65°
49°
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 63° to 72°, with overnight lows between 48° and 58°. The average high for July is 67° with an average low of 53°. 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.