S
M
T
W
T
F
S
28
85°
61°
29
87°
61°
30
89°
58°
1
95°
69°
2
97°
73°
3
97°
72°
4
91°
74°
5
86°
60°
6
78°
64°
7
72°
64°
8
84°
61°
9
93°
63°
10
89°
64°
11
87°
61°
12
85°
58°
13
88°
60°
14
90°
68°
15
84°
61°
16
89°
57°
17
85°
54°
18
80°
59°
19
81°
56°
20
84°
51°
21
78°
61°
22
82°
56°
23
81°
53°
24
84°
58°
25
83°
56°
26
81°
57°
27
82°
61°
28
79°
63°
29
80°
59°
30
81°
60°
31
81°
61°
1
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Derry
Derry's July 2026 forecast shows daily high temperatures ranging from 79° to 84°, with overnight lows between 53° and 63°. The average high for July is 81° with an average low of 58°. 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 Derry. See also: August | September | October.
