S
M
T
W
T
F
S
26
39°
32°
27
43°
30°
28
48°
32°
29
48°
32°
30
48°
30°
1
41°
19°
2
46°
25°
3
44°
32°
4
45°
25°
5
40°
25°
6
49°
31°
7
55°
36°
8
57°
37°
9
63°
38°
10
61°
39°
11
56°
38°
12
58°
37°
13
60°
40°
14
56°
28°
15
51°
28°
16
50°
25°
17
52°
27°
18
51°
27°
19
52°
28°
20
52°
26°
21
51°
24°
22
53°
25°
23
54°
29°
24
52°
26°
25
51°
25°
26
51°
24°
27
53°
24°
28
55°
25°
29
59°
29°
30
63°
34°
31
61°
34°
1
57°
33°
2
60°
31°
3
63°
30°
4
65°
32°
5
65°
35°
6
62°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Silverton
Silverton's May 2026 forecast shows daily high temperatures ranging from 40° to 65°, with overnight lows between 19° and 40°. The average high for May is 54° with an average low of 30°. 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 Silverton. See also: June | July | August.
