S
M
T
W
T
F
S
26
98°
79°
27
99°
79°
28
99°
77°
29
96°
77°
30
95°
75°
31
96°
76°
1
99°
71°
2
87°
70°
3
90°
65°
4
92°
66°
5
97°
69°
6
96°
73°
7
95°
72°
8
94°
74°
9
98°
73°
10
97°
74°
11
96°
73°
12
96°
75°
13
94°
74°
14
95°
74°
15
94°
75°
16
95°
73°
17
96°
74°
18
92°
71°
19
95°
74°
20
95°
75°
21
94°
75°
22
95°
74°
23
94°
74°
24
94°
73°
25
93°
74°
26
94°
74°
27
94°
73°
28
93°
74°
29
92°
72°
30
93°
73°
31
93°
72°
1
92°
73°
2
93°
73°
3
94°
72°
4
93°
72°
5
93°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Myrtle Grove
Myrtle Grove's August 2026 forecast shows daily high temperatures ranging from 92° to 98°, with overnight lows between 69° and 75°. The average high for August is 94° with an average low of 73°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Myrtle Grove. See also: September | October | November.