S
M
T
W
T
F
S
31
62°
48°
1
58°
46°
2
59°
46°
3
59°
48°
4
61°
49°
5
61°
49°
6
60°
48°
7
60°
49°
8
64°
49°
9
63°
50°
10
63°
50°
11
62°
47°
12
58°
45°
13
60°
46°
14
59°
45°
15
59°
45°
16
60°
46°
17
59°
50°
18
61°
50°
19
61°
49°
20
62°
48°
21
60°
47°
22
60°
47°
23
61°
50°
24
61°
50°
25
62°
51°
26
66°
52°
27
65°
52°
28
66°
51°
29
65°
51°
30
67°
50°
1
64°
48°
2
65°
50°
3
64°
50°
4
64°
51°
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 58° to 67°, with overnight lows between 45° and 52°. The average high for June is 62° with an average low of 49°. 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.