S
M
T
W
T
F
S
26
36°
28°
27
51°
23°
28
57°
34°
29
61°
32°
30
66°
36°
1
73°
39°
2
69°
42°
3
75°
39°
4
55°
35°
5
49°
28°
6
72°
27°
7
68°
48°
8
77°
46°
9
66°
47°
10
80°
46°
11
75°
49°
12
78°
41°
13
89°
48°
14
64°
49°
15
65°
46°
16
57°
44°
17
45°
36°
18
54°
35°
19
64°
42°
20
59°
40°
21
61°
38°
22
70°
44°
23
77°
48°
24
78°
55°
25
74°
49°
26
64°
44°
27
71°
45°
28
69°
48°
29
72°
46°
30
65°
47°
31
72°
44°
1
69°
50°
2
71°
49°
3
74°
52°
4
75°
52°
5
71°
51°
6
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Salem
Salem's May 2026 forecast shows daily high temperatures ranging from 54° to 78°, with overnight lows between 35° and 55°. The average high for May is 69° with an average low of 46°. 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 Salem. See also: June | July | August.
