S
M
T
W
T
F
S
26
97°
71°
27
99°
69°
28
99°
67°
29
99°
72°
30
99°
73°
31
101°
73°
1
84°
68°
2
98°
63°
3
100°
64°
4
99°
72°
5
98°
75°
6
99°
76°
7
101°
74°
8
98°
71°
9
99°
70°
10
100°
74°
11
100°
76°
12
102°
77°
13
103°
76°
14
100°
75°
15
101°
76°
16
101°
70°
17
103°
72°
18
102°
68°
19
100°
71°
20
104°
74°
21
104°
72°
22
105°
70°
23
105°
71°
24
105°
75°
25
104°
72°
26
101°
72°
27
104°
72°
28
98°
69°
29
100°
72°
30
100°
73°
31
100°
75°
1
100°
76°
2
101°
70°
3
104°
74°
4
101°
72°
5
99°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mertzon
Mertzon's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Mertzon. See also: September | October | November.