S
M
T
W
T
F
S
26
58°
37°
27
64°
34°
28
55°
41°
29
51°
45°
30
55°
43°
1
56°
41°
2
55°
41°
3
53°
40°
4
60°
45°
5
63°
47°
6
61°
48°
7
60°
46°
8
56°
42°
9
55°
44°
10
56°
43°
11
59°
44°
12
60°
45°
13
59°
47°
14
61°
43°
15
59°
41°
16
58°
42°
17
58°
42°
18
59°
41°
19
63°
49°
20
62°
46°
21
61°
43°
22
60°
42°
23
60°
43°
24
61°
45°
25
61°
48°
26
63°
47°
27
62°
46°
28
62°
45°
29
66°
52°
30
71°
52°
31
69°
50°
1
67°
53°
2
71°
54°
3
73°
53°
4
65°
52°
5
72°
50°
6
66°
51°
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 51° to 73°, with overnight lows between 40° and 54°. The average high for May is 61° with an average low of 46°. 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.
