S
M
T
W
T
F
S
26
83°
49°
27
80°
44°
28
83°
44°
29
78°
53°
30
71°
54°
1
67°
49°
2
65°
45°
3
75°
46°
4
82°
58°
5
74°
55°
6
75°
43°
7
80°
52°
8
87°
46°
9
92°
50°
10
90°
65°
11
86°
56°
12
94°
58°
13
97°
60°
14
91°
63°
15
89°
60°
16
88°
58°
17
87°
55°
18
86°
56°
19
88°
51°
20
85°
55°
21
84°
54°
22
86°
51°
23
89°
55°
24
92°
62°
25
82°
54°
26
83°
52°
27
88°
53°
28
89°
55°
29
89°
58°
30
83°
57°
31
88°
59°
1
90°
60°
2
90°
59°
3
89°
58°
4
90°
57°
5
102°
66°
6
87°
52°
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 82° to 102°, with overnight lows between 52° and 66°. The average high for May is 89° with an average low of 57°. 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.
