S
M
T
W
T
F
S
26
74°
50°
27
66°
54°
28
70°
57°
29
64°
50°
30
63°
41°
1
57°
40°
2
55°
37°
3
63°
36°
4
77°
53°
5
68°
47°
6
57°
41°
7
61°
37°
8
70°
45°
9
76°
53°
10
71°
55°
11
71°
45°
12
76°
40°
13
71°
53°
14
66°
43°
15
71°
41°
16
79°
64°
17
87°
66°
18
86°
70°
19
82°
63°
20
69°
52°
21
71°
51°
22
75°
56°
23
79°
62°
24
78°
63°
25
79°
60°
26
78°
60°
27
79°
59°
28
80°
60°
29
81°
57°
30
79°
62°
31
81°
61°
1
82°
63°
2
83°
62°
3
77°
58°
4
75°
55°
5
76°
55°
6
79°
63°
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 87°, with overnight lows between 51° and 70°. The average high for May is 79° with an average low of 60°. 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.
