S
M
T
W
T
F
S
26
79°
54°
27
81°
59°
28
76°
63°
29
67°
60°
30
71°
60°
31
75°
56°
1
81°
59°
2
78°
58°
3
79°
57°
4
80°
60°
5
82°
60°
6
81°
60°
7
81°
61°
8
80°
54°
9
78°
57°
10
79°
58°
11
80°
58°
12
77°
57°
13
76°
58°
14
79°
57°
15
75°
55°
16
75°
56°
17
76°
56°
18
74°
55°
19
77°
56°
20
75°
54°
21
75°
54°
22
74°
56°
23
76°
55°
24
77°
48°
25
69°
47°
26
70°
53°
27
73°
56°
28
78°
56°
29
78°
55°
30
75°
48°
31
69°
46°
1
68°
46°
2
67°
45°
3
67°
44°
4
68°
45°
5
71°
52°
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 67° to 82°, with overnight lows between 44° and 63°. The average high for Outdoor-Entertaining-May is 75° with an average low of 55°. 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: September | October | November.
