S
M
T
W
T
F
S
26
79°
57°
27
79°
55°
28
76°
54°
29
78°
55°
30
71°
56°
1
76°
55°
2
75°
56°
3
74°
55°
4
76°
52°
5
77°
56°
6
80°
57°
7
80°
57°
8
79°
58°
9
81°
58°
10
82°
59°
11
82°
59°
12
81°
60°
13
82°
59°
14
82°
59°
15
77°
57°
16
80°
57°
17
82°
59°
18
78°
54°
19
78°
53°
20
80°
55°
21
79°
54°
22
78°
60°
23
84°
62°
24
86°
62°
25
87°
61°
26
87°
63°
27
86°
63°
28
88°
62°
29
88°
64°
30
87°
60°
31
88°
57°
1
83°
62°
2
88°
64°
3
88°
65°
4
87°
65°
5
90°
59°
6
88°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Myrtle
Myrtle's May 2026 forecast shows daily high temperatures ranging from 71° to 90°, with overnight lows between 52° and 65°. The average high for May is 82° 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 Myrtle. See also: June | July | August.
