S
M
T
W
T
F
S
26
63°
50°
27
71°
49°
28
62°
52°
29
71°
55°
30
71°
53°
1
67°
48°
2
62°
42°
3
65°
39°
4
76°
39°
5
77°
52°
6
77°
64°
7
70°
44°
8
68°
52°
9
78°
58°
10
76°
61°
11
72°
47°
12
66°
50°
13
72°
58°
14
80°
61°
15
80°
63°
16
82°
65°
17
81°
61°
18
76°
49°
19
81°
61°
20
82°
63°
21
80°
62°
22
76°
55°
23
73°
54°
24
73°
56°
25
75°
57°
26
77°
57°
27
75°
56°
28
75°
57°
29
76°
57°
30
76°
60°
31
77°
62°
1
79°
65°
2
80°
64°
3
78°
63°
4
78°
63°
5
82°
66°
6
83°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Salem
West Salem's May 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 44° and 66°. The average high for May is 77° with an average low of 59°. 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 West Salem. See also: June | July | August.