S
M
T
W
T
F
S
26
56°
37°
27
67°
42°
28
64°
51°
29
55°
32°
30
49°
30°
1
47°
29°
2
54°
25°
3
68°
45°
4
79°
45°
5
58°
42°
6
56°
32°
7
55°
28°
8
64°
31°
9
73°
42°
10
63°
31°
11
52°
33°
12
72°
32°
13
59°
36°
14
63°
34°
15
75°
51°
16
84°
55°
17
79°
66°
18
81°
69°
19
79°
47°
20
63°
43°
21
61°
44°
22
66°
49°
23
71°
55°
24
74°
56°
25
73°
55°
26
74°
58°
27
75°
58°
28
72°
55°
29
73°
51°
30
76°
57°
31
77°
56°
1
75°
57°
2
77°
56°
3
69°
53°
4
69°
51°
5
72°
57°
6
77°
59°
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 61° to 84°, with overnight lows between 43° and 69°. The average high for May is 74° with an average low of 55°. 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.
