S
M
T
W
T
F
S
26
59°
44°
27
72°
38°
28
63°
43°
29
62°
49°
30
68°
49°
1
65°
49°
2
61°
41°
3
60°
44°
4
69°
55°
5
80°
57°
6
69°
54°
7
62°
43°
8
59°
44°
9
64°
50°
10
68°
49°
11
67°
51°
12
67°
53°
13
68°
54°
14
70°
53°
15
67°
55°
16
68°
54°
17
68°
53°
18
69°
58°
19
77°
59°
20
75°
59°
21
72°
58°
22
77°
57°
23
73°
57°
24
77°
58°
25
72°
53°
26
71°
56°
27
70°
60°
28
75°
62°
29
79°
62°
30
78°
61°
31
77°
60°
1
75°
55°
2
71°
56°
3
70°
55°
4
73°
55°
5
72°
56°
6
73°
56°
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 59° to 80°, with overnight lows between 41° and 62°. The average high for May is 70° with an average low of 54°. 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.
