S
M
T
W
T
F
S
26
83°
62°
27
89°
62°
28
82°
68°
29
80°
64°
30
68°
59°
1
60°
53°
2
71°
48°
3
76°
43°
4
80°
45°
5
79°
52°
6
76°
66°
7
70°
58°
8
65°
58°
9
72°
62°
10
82°
63°
11
76°
63°
12
83°
61°
13
82°
62°
14
80°
55°
15
85°
52°
16
84°
61°
17
88°
56°
18
87°
70°
19
89°
68°
20
84°
68°
21
84°
67°
22
80°
69°
23
80°
66°
24
79°
65°
25
82°
67°
26
81°
66°
27
82°
66°
28
83°
64°
29
82°
65°
30
79°
64°
31
87°
63°
1
89°
67°
2
89°
66°
3
85°
66°
4
83°
64°
5
85°
65°
6
88°
67°
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 79° to 89°, with overnight lows between 63° and 70°. The average high for May is 84° with an average low of 66°. 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.
