S
M
T
W
T
F
S
31
68°
34°
1
62°
40°
2
74°
46°
3
78°
52°
4
87°
55°
5
85°
61°
6
81°
60°
7
76°
55°
8
71°
54°
9
75°
57°
10
74°
56°
11
76°
58°
12
77°
57°
13
77°
58°
14
76°
54°
15
72°
51°
16
70°
51°
17
71°
53°
18
72°
55°
19
73°
54°
20
73°
55°
21
74°
54°
22
73°
53°
23
73°
55°
24
74°
60°
25
74°
58°
26
75°
56°
27
75°
60°
28
78°
61°
29
75°
58°
30
74°
56°
1
74°
56°
2
75°
60°
3
77°
62°
4
78°
63°
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 62° to 87°, with overnight lows between 40° and 63°. The average high for June is 75° with an average low of 56°. 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.
