S
M
T
W
T
F
S
26
82°
60°
27
85°
64°
28
77°
64°
29
79°
61°
30
67°
54°
1
65°
51°
2
71°
46°
3
73°
43°
4
80°
50°
5
73°
53°
6
68°
53°
7
70°
51°
8
72°
46°
9
78°
56°
10
77°
58°
11
75°
55°
12
81°
50°
13
84°
56°
14
77°
51°
15
83°
52°
16
84°
63°
17
87°
59°
18
87°
70°
19
90°
72°
20
84°
69°
21
81°
68°
22
82°
68°
23
85°
66°
24
76°
67°
25
73°
67°
26
78°
68°
27
84°
67°
28
80°
67°
29
79°
65°
30
77°
60°
31
76°
61°
1
77°
59°
2
80°
58°
3
81°
60°
4
80°
63°
5
85°
62°
6
82°
65°
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 73° to 85°, with overnight lows between 58° and 68°. 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 Myrtle. See also: June | July | August.
