S
M
T
W
T
F
S
26
62°
40°
27
66°
36°
28
59°
38°
29
52°
44°
30
53°
45°
1
62°
43°
2
59°
45°
3
54°
38°
4
72°
37°
5
82°
52°
6
73°
55°
7
64°
40°
8
61°
39°
9
58°
50°
10
74°
51°
11
56°
42°
12
59°
41°
13
60°
46°
14
62°
47°
15
64°
52°
16
70°
53°
17
68°
51°
18
67°
52°
19
70°
52°
20
67°
50°
21
64°
47°
22
64°
47°
23
65°
49°
24
66°
54°
25
69°
55°
26
73°
55°
27
72°
51°
28
67°
48°
29
66°
51°
30
69°
53°
31
75°
57°
1
73°
57°
2
70°
56°
3
71°
57°
4
76°
58°
5
76°
59°
6
77°
58°
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 56° to 77°, with overnight lows between 39° and 59°. The average high for May is 68° 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.
