S
M
T
W
T
F
S
26
93°
56°
27
92°
58°
28
91°
61°
29
91°
60°
30
89°
51°
31
96°
54°
1
89°
52°
2
91°
53°
3
96°
55°
4
99°
58°
5
98°
59°
6
98°
58°
7
96°
59°
8
96°
58°
9
92°
57°
10
92°
57°
11
94°
59°
12
91°
56°
13
92°
59°
14
91°
60°
15
89°
58°
16
84°
54°
17
84°
55°
18
89°
59°
19
87°
58°
20
90°
59°
21
90°
59°
22
89°
58°
23
90°
59°
24
89°
58°
25
89°
57°
26
88°
58°
27
87°
57°
28
83°
55°
29
82°
54°
30
86°
57°
31
89°
58°
1
89°
57°
2
88°
58°
3
88°
57°
4
87°
56°
5
86°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Merlin
Merlin's August 2026 forecast shows daily high temperatures ranging from 82° to 99°, with overnight lows between 51° and 60°. The average high for August is 90° with an average low of 57°. 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 Merlin. See also: September | October | November.