S
M
T
W
T
F
S
26
61°
50°
27
63°
40°
28
64°
41°
29
73°
45°
30
70°
52°
1
65°
46°
2
57°
52°
3
64°
46°
4
78°
51°
5
83°
59°
6
79°
62°
7
73°
50°
8
67°
47°
9
78°
47°
10
81°
57°
11
66°
42°
12
70°
45°
13
75°
42°
14
67°
58°
15
72°
47°
16
83°
50°
17
91°
65°
18
93°
68°
19
92°
71°
20
92°
69°
21
85°
61°
22
63°
57°
23
77°
59°
24
79°
61°
25
83°
69°
26
79°
69°
27
85°
70°
28
84°
57°
29
76°
61°
30
77°
53°
31
71°
56°
1
77°
59°
2
73°
52°
3
76°
53°
4
82°
60°
5
87°
64°
6
84°
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 71° to 87°, with overnight lows between 52° and 67°. The average high for May is 78° with an average low of 58°. 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.
