S
M
T
W
T
F
S
30
75°
54°
31
75°
53°
1
74°
47°
2
67°
46°
3
67°
47°
4
68°
44°
5
68°
44°
6
71°
52°
7
75°
52°
8
72°
51°
9
69°
51°
10
73°
50°
11
74°
50°
12
74°
51°
13
75°
52°
14
75°
40°
15
65°
41°
16
64°
40°
17
65°
41°
18
66°
39°
19
63°
40°
20
64°
42°
21
71°
46°
22
71°
46°
23
72°
38°
24
70°
36°
25
64°
37°
26
66°
40°
27
69°
45°
28
69°
44°
29
68°
35°
30
62°
34°
1
60°
35°
2
62°
38°
3
66°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
Outdoor-Entertaining-May Weather in Londonderry
Londonderry's Outdoor-Entertaining-May 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 34° and 54°. The average high for Outdoor-Entertaining-May is 69° with an average low of 44°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how Outdoor-Entertaining-May weather will actually feel in Londonderry. See also: October | November | December.
