S
M
T
W
T
F
S
26
69°
37°
27
59°
38°
28
61°
44°
29
69°
38°
30
79°
42°
1
73°
46°
2
67°
49°
3
89°
50°
4
73°
51°
5
67°
51°
6
71°
52°
7
71°
47°
8
70°
48°
9
77°
51°
10
71°
49°
11
78°
50°
12
79°
50°
13
71°
50°
14
77°
50°
15
71°
48°
16
67°
47°
17
71°
48°
18
72°
49°
19
65°
48°
20
81°
55°
21
64°
49°
22
65°
43°
23
67°
46°
24
72°
47°
25
71°
48°
26
65°
43°
27
65°
44°
28
69°
49°
29
68°
52°
30
71°
52°
31
75°
53°
1
77°
53°
2
76°
49°
3
66°
45°
4
74°
49°
5
75°
46°
6
67°
45°
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 64° to 81°, with overnight lows between 43° and 55°. The average high for May is 71° with an average low of 48°. 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.
