S
M
T
W
T
F
S
26
58°
31°
27
70°
36°
28
59°
49°
29
57°
44°
30
52°
37°
1
49°
32°
2
46°
36°
3
56°
31°
4
63°
46°
5
64°
44°
6
51°
40°
7
54°
37°
8
53°
37°
9
62°
33°
10
58°
41°
11
54°
36°
12
54°
33°
13
61°
43°
14
51°
43°
15
66°
42°
16
67°
46°
17
75°
54°
18
79°
58°
19
80°
58°
20
67°
50°
21
58°
37°
22
67°
36°
23
60°
49°
24
59°
52°
25
62°
51°
26
67°
54°
27
70°
53°
28
63°
49°
29
61°
49°
30
62°
51°
31
63°
50°
1
63°
52°
2
64°
52°
3
65°
53°
4
64°
54°
5
63°
51°
6
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wellington
Wellington's May 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 49° and 54°. The average high for May is 63° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Wellington. See also: June | July | August.
