S
M
T
W
T
F
S
26
84°
58°
27
85°
67°
28
84°
66°
29
85°
66°
30
83°
69°
31
89°
68°
1
86°
68°
2
86°
75°
3
85°
66°
4
86°
68°
5
83°
72°
6
88°
75°
7
89°
73°
8
86°
72°
9
88°
71°
10
91°
70°
11
88°
71°
12
89°
70°
13
85°
68°
14
83°
69°
15
85°
67°
16
86°
66°
17
88°
69°
18
87°
65°
19
87°
70°
20
86°
68°
21
85°
65°
22
85°
69°
23
88°
70°
24
88°
70°
25
87°
69°
26
85°
69°
27
80°
68°
28
83°
69°
29
83°
67°
30
84°
68°
31
84°
68°
1
85°
65°
2
78°
60°
3
77°
60°
4
77°
61°
5
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mermaid Run
Mermaid Run's August 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 59° and 75°. The average high for August is 85° with an average low of 68°. 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 Mermaid Run. See also: September | October | November.