S
M
T
W
T
F
S
26
96°
63°
27
98°
61°
28
97°
63°
29
94°
61°
30
96°
57°
31
94°
59°
1
91°
59°
2
93°
53°
3
98°
62°
4
95°
56°
5
96°
54°
6
96°
56°
7
98°
53°
8
97°
52°
9
98°
55°
10
97°
52°
11
94°
55°
12
93°
57°
13
90°
59°
14
90°
58°
15
91°
53°
16
89°
50°
17
89°
50°
18
90°
54°
19
94°
53°
20
94°
57°
21
89°
62°
22
92°
55°
23
90°
55°
24
92°
55°
25
94°
63°
26
92°
58°
27
88°
57°
28
90°
61°
29
88°
59°
30
86°
62°
31
83°
63°
1
91°
62°
2
90°
61°
3
87°
62°
4
87°
60°
5
85°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mountainair
Mountainair's August 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 57° and 63°. The average high for August is 88° with an average low of 61°. 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 Mountainair. See also: September | October | November.