S
M
T
W
T
F
S
26
73°
52°
27
81°
50°
28
73°
58°
29
66°
55°
30
60°
45°
1
65°
39°
2
56°
39°
3
63°
35°
4
76°
46°
5
72°
58°
6
61°
52°
7
63°
46°
8
69°
40°
9
68°
53°
10
76°
53°
11
68°
49°
12
74°
46°
13
76°
53°
14
57°
43°
15
70°
41°
16
78°
58°
17
85°
64°
18
88°
67°
19
88°
65°
20
79°
56°
21
66°
58°
22
75°
63°
23
76°
63°
24
74°
65°
25
75°
65°
26
77°
64°
27
78°
63°
28
78°
65°
29
79°
62°
30
79°
63°
31
78°
62°
1
77°
58°
2
81°
62°
3
78°
61°
4
75°
58°
5
75°
55°
6
78°
62°
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 66° to 88°, with overnight lows between 55° and 65°. The average high for May is 77° with an average low of 62°. 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.
