S
M
T
W
T
F
S
26
69°
50°
27
72°
46°
28
73°
49°
29
69°
49°
30
57°
38°
1
66°
32°
2
49°
36°
3
59°
31°
4
73°
45°
5
74°
55°
6
64°
50°
7
58°
41°
8
66°
34°
9
67°
47°
10
74°
49°
11
62°
43°
12
70°
39°
13
71°
47°
14
52°
41°
15
68°
35°
16
75°
52°
17
85°
56°
18
88°
60°
19
87°
65°
20
84°
61°
21
69°
62°
22
62°
53°
23
67°
53°
24
78°
57°
25
71°
63°
26
76°
63°
27
76°
61°
28
76°
51°
29
78°
55°
30
76°
51°
31
73°
46°
1
71°
49°
2
69°
51°
3
75°
54°
4
74°
52°
5
76°
55°
6
78°
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 69° to 78°, with overnight lows between 46° and 63°. The average high for May is 75° 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.
