S
M
T
W
T
F
S
26
58°
37°
27
64°
34°
28
55°
36°
29
51°
44°
30
54°
44°
1
62°
44°
2
57°
41°
3
54°
39°
4
72°
41°
5
80°
51°
6
70°
57°
7
64°
45°
8
61°
37°
9
53°
36°
10
70°
50°
11
61°
39°
12
62°
38°
13
61°
52°
14
56°
49°
15
54°
48°
16
71°
57°
17
74°
54°
18
63°
55°
19
83°
63°
20
75°
48°
21
63°
47°
22
64°
51°
23
66°
50°
24
67°
49°
25
66°
50°
26
68°
48°
27
64°
49°
28
62°
47°
29
63°
48°
30
63°
52°
31
65°
53°
1
65°
52°
2
66°
51°
3
65°
49°
4
64°
47°
5
65°
54°
6
66°
54°
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 83°, with overnight lows between 47° and 63°. The average high for May is 66° with an average low of 51°. 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.
