S
M
T
W
T
F
S
26
82°
61°
27
90°
63°
28
68°
51°
29
67°
49°
30
69°
48°
1
70°
46°
2
73°
44°
3
85°
44°
4
81°
62°
5
76°
50°
6
65°
46°
7
74°
41°
8
82°
45°
9
84°
52°
10
69°
56°
11
78°
49°
12
82°
48°
13
84°
57°
14
85°
56°
15
83°
69°
16
87°
69°
17
88°
73°
18
85°
69°
19
74°
59°
20
69°
60°
21
71°
62°
22
76°
61°
23
81°
63°
24
81°
64°
25
81°
66°
26
82°
68°
27
81°
67°
28
80°
65°
29
83°
65°
30
82°
66°
31
83°
63°
1
83°
67°
2
83°
67°
3
80°
63°
4
79°
60°
5
80°
66°
6
84°
68°
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 69° to 85°, with overnight lows between 59° and 69°. The average high for May is 80° with an average low of 64°. 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.
