S
M
T
W
T
F
S
28
95°
77°
29
93°
81°
30
88°
79°
1
86°
77°
2
88°
72°
3
90°
75°
4
92°
79°
5
92°
78°
6
92°
79°
7
93°
79°
8
93°
76°
9
93°
76°
10
90°
75°
11
93°
76°
12
94°
75°
13
93°
74°
14
91°
73°
15
93°
75°
16
92°
74°
17
90°
75°
18
87°
74°
19
87°
74°
20
88°
73°
21
88°
76°
22
90°
76°
23
87°
75°
24
91°
76°
25
91°
76°
26
90°
75°
27
89°
76°
28
90°
75°
29
88°
76°
30
87°
77°
31
89°
77°
1
90°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Myrtle Island
Myrtle Island's July 2026 forecast shows daily high temperatures ranging from 87° to 94°, with overnight lows between 73° and 79°. The average high for July is 90° with an average low of 76°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Myrtle Island. See also: August | September | October.
