S
M
T
W
T
F
S
26
68°
38°
27
57°
41°
28
62°
47°
29
71°
40°
30
81°
44°
1
72°
48°
2
66°
47°
3
91°
50°
4
72°
52°
5
65°
52°
6
70°
54°
7
72°
52°
8
68°
47°
9
78°
47°
10
71°
50°
11
81°
48°
12
80°
52°
13
62°
51°
14
62°
49°
15
60°
43°
16
60°
44°
17
64°
41°
18
70°
45°
19
70°
44°
20
70°
47°
21
83°
49°
22
81°
50°
23
75°
51°
24
77°
47°
25
62°
49°
26
64°
48°
27
75°
50°
28
81°
52°
29
63°
48°
30
66°
43°
31
72°
46°
1
84°
54°
2
86°
55°
3
79°
55°
4
78°
52°
5
76°
51°
6
73°
51°
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 62° to 86°, with overnight lows between 43° and 55°. The average high for May is 74° 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 Wilsonville. See also: June | July | August.
