S
M
T
W
T
F
S
26
102°
74°
27
101°
76°
28
101°
75°
29
100°
77°
30
98°
75°
31
102°
76°
1
93°
76°
2
98°
71°
3
103°
74°
4
102°
74°
5
102°
76°
6
100°
77°
7
101°
77°
8
99°
75°
9
97°
73°
10
100°
75°
11
104°
77°
12
104°
78°
13
104°
78°
14
100°
79°
15
97°
75°
16
95°
73°
17
100°
82°
18
101°
70°
19
104°
70°
20
104°
77°
21
102°
73°
22
103°
72°
23
104°
72°
24
106°
76°
25
105°
75°
26
101°
77°
27
98°
73°
28
100°
74°
29
101°
74°
30
101°
75°
31
100°
74°
1
101°
75°
2
101°
74°
3
100°
73°
4
97°
75°
5
99°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Monahans
Monahans's August 2026 forecast shows daily high temperatures ranging from 97° to 101°, with overnight lows between 73° and 75°. The average high for August is 100° with an average low of 74°. 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 Monahans. See also: September | October | November.