S
M
T
W
T
F
S
26
66°
41°
27
63°
45°
28
57°
39°
29
63°
36°
30
72°
39°
1
64°
45°
2
61°
41°
3
57°
48°
4
55°
46°
5
52°
41°
6
55°
43°
7
57°
43°
8
61°
43°
9
61°
46°
10
55°
39°
11
52°
36°
12
59°
34°
13
54°
43°
14
55°
41°
15
54°
39°
16
55°
39°
17
59°
43°
18
58°
48°
19
61°
50°
20
64°
52°
21
70°
53°
22
75°
57°
23
73°
52°
24
77°
55°
25
73°
51°
26
71°
51°
27
72°
52°
28
71°
52°
29
70°
51°
30
68°
50°
31
59°
47°
1
59°
45°
2
60°
44°
3
63°
50°
4
61°
51°
5
64°
52°
6
66°
52°
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 58° to 77°, with overnight lows between 44° and 57°. The average high for May is 67° 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.
