S
M
T
W
T
F
S
26
58°
32°
27
58°
31°
28
59°
30°
29
59°
31°
30
60°
31°
1
60°
32°
2
62°
39°
3
62°
34°
4
60°
33°
5
61°
32°
6
62°
33°
7
63°
38°
8
63°
37°
9
65°
38°
10
66°
35°
11
67°
35°
12
66°
37°
13
64°
36°
14
64°
35°
15
65°
35°
16
65°
36°
17
67°
38°
18
72°
42°
19
71°
42°
20
70°
43°
21
76°
46°
22
79°
44°
23
80°
40°
24
81°
40°
25
75°
46°
26
80°
49°
27
85°
47°
28
84°
43°
29
83°
45°
30
83°
44°
31
84°
41°
1
79°
42°
2
82°
43°
3
82°
45°
4
78°
44°
5
73°
40°
6
74°
45°
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 85°, with overnight lows between 30° and 49°. The average high for May is 70° with an average low of 39°. 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.
