S
M
T
W
T
F
S
26
77°
58°
27
72°
49°
28
69°
48°
29
82°
58°
30
76°
47°
1
69°
47°
2
66°
39°
3
71°
34°
4
80°
37°
5
80°
45°
6
74°
55°
7
80°
51°
8
72°
42°
9
79°
46°
10
85°
49°
11
67°
55°
12
74°
46°
13
80°
42°
14
71°
42°
15
78°
39°
16
87°
46°
17
92°
57°
18
92°
60°
19
93°
60°
20
94°
57°
21
83°
68°
22
68°
58°
23
61°
58°
24
74°
64°
25
78°
65°
26
80°
64°
27
84°
65°
28
87°
66°
29
81°
62°
30
75°
58°
31
71°
56°
1
77°
59°
2
77°
58°
3
79°
60°
4
79°
61°
5
81°
59°
6
77°
56°
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 71° to 87°, with overnight lows between 56° and 66°. The average high for May is 79° with an average low of 61°. 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.
