S
M
T
W
T
F
S
26
58°
32°
27
58°
35°
28
74°
42°
29
58°
34°
30
62°
36°
1
58°
33°
2
64°
38°
3
69°
43°
4
71°
44°
5
71°
42°
6
70°
37°
7
60°
42°
8
65°
40°
9
60°
35°
10
62°
38°
11
65°
38°
12
65°
41°
13
73°
45°
14
66°
44°
15
68°
45°
16
74°
46°
17
72°
39°
18
62°
38°
19
63°
38°
20
65°
42°
21
64°
40°
22
62°
40°
23
65°
44°
24
67°
44°
25
67°
42°
26
65°
40°
27
65°
40°
28
70°
43°
29
78°
50°
30
80°
51°
31
80°
50°
1
74°
49°
2
76°
52°
3
78°
50°
4
78°
47°
5
79°
47°
6
75°
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 80°, with overnight lows between 32° and 52°. The average high for May is 68° with an average low of 42°. 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.
