S
M
T
W
T
F
S
31
68°
34°
1
66°
46°
2
78°
41°
3
86°
48°
4
89°
52°
5
89°
53°
6
87°
59°
7
80°
55°
8
81°
49°
9
88°
52°
10
91°
58°
11
92°
69°
12
93°
69°
13
89°
63°
14
90°
57°
15
81°
63°
16
78°
53°
17
82°
50°
18
79°
59°
19
79°
61°
20
78°
59°
21
81°
54°
22
77°
53°
23
75°
60°
24
83°
57°
25
81°
54°
26
80°
62°
27
79°
58°
28
80°
59°
29
85°
60°
30
89°
69°
1
96°
70°
2
97°
68°
3
91°
67°
4
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Londonderry
Londonderry's June 2026 forecast shows daily high temperatures ranging from 79° to 97°, with overnight lows between 58° and 70°. The average high for June is 87° 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 June weather will actually feel in Londonderry. See also: July | August | September.
