S
M
T
W
T
F
S
26
59°
47°
27
51°
43°
28
63°
51°
29
58°
50°
30
59°
54°
1
58°
54°
2
62°
51°
3
58°
50°
4
60°
54°
5
61°
54°
6
60°
52°
7
57°
49°
8
58°
49°
9
58°
52°
10
60°
49°
11
59°
52°
12
61°
53°
13
61°
54°
14
62°
53°
15
59°
52°
16
57°
51°
17
56°
48°
18
55°
48°
19
56°
52°
20
56°
52°
21
58°
50°
22
56°
52°
23
59°
52°
24
56°
51°
25
57°
51°
26
57°
52°
27
60°
52°
28
58°
51°
29
57°
50°
30
55°
51°
31
57°
46°
1
56°
46°
2
55°
47°
3
55°
45°
4
56°
46°
5
56°
49°
6
55°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wynyard
Wynyard's May 2026 forecast shows daily high temperatures ranging from 51° to 63°, with overnight lows between 43° and 54°. The average high for May is 58° with an average low of 50°. 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 Wynyard. See also: June | July | August.