S
M
T
W
T
F
S
26
66°
52°
27
69°
46°
28
68°
39°
29
79°
51°
30
72°
51°
1
60°
47°
2
56°
40°
3
68°
34°
4
80°
36°
5
82°
45°
6
78°
59°
7
71°
54°
8
71°
45°
9
73°
45°
10
83°
52°
11
67°
47°
12
71°
39°
13
78°
39°
14
70°
50°
15
75°
36°
16
86°
42°
17
90°
54°
18
92°
60°
19
93°
60°
20
92°
59°
21
92°
60°
22
67°
61°
23
64°
59°
24
80°
59°
25
81°
66°
26
88°
70°
27
85°
69°
28
87°
64°
29
81°
64°
30
74°
58°
31
75°
55°
1
77°
55°
2
80°
56°
3
76°
58°
4
77°
60°
5
80°
61°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wilsonville
Wilsonville's May 2026 forecast shows daily high temperatures ranging from 74° to 88°, with overnight lows between 55° and 70°. The average high for May is 80° with an average low of 61°. 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 Wilsonville. See also: June | July | August.
