S
M
T
W
T
F
S
26
81°
56°
27
70°
60°
28
66°
57°
29
65°
50°
30
65°
43°
1
61°
47°
2
59°
43°
3
70°
42°
4
77°
57°
5
70°
47°
6
62°
45°
7
65°
40°
8
75°
51°
9
78°
53°
10
71°
56°
11
75°
47°
12
81°
53°
13
73°
57°
14
71°
47°
15
82°
55°
16
80°
67°
17
85°
68°
18
80°
66°
19
85°
66°
20
69°
58°
21
67°
54°
22
67°
61°
23
73°
63°
24
77°
59°
25
81°
61°
26
80°
66°
27
80°
65°
28
85°
66°
29
81°
64°
30
76°
60°
31
77°
60°
1
78°
59°
2
77°
57°
3
80°
60°
4
82°
63°
5
83°
64°
6
82°
61°
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 76° to 85°, with overnight lows between 57° and 66°. The average high for May is 80° with an average low of 62°. 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.
