S
M
T
W
T
F
S
27
82°
55°
28
91°
55°
29
90°
60°
30
86°
55°
31
93°
55°
1
91°
54°
2
91°
55°
3
90°
55°
4
90°
55°
5
88°
54°
6
95°
58°
7
95°
59°
8
100°
59°
9
100°
63°
10
99°
59°
11
93°
59°
12
92°
58°
13
86°
57°
14
90°
55°
15
95°
57°
16
86°
61°
17
82°
59°
18
86°
54°
19
90°
52°
20
97°
55°
21
103°
62°
22
100°
57°
23
100°
63°
24
97°
61°
25
97°
61°
26
93°
63°
27
91°
61°
28
93°
57°
29
94°
58°
30
100°
57°
31
100°
61°
1
102°
59°
2
99°
66°
3
95°
59°
4
90°
57°
5
86°
54°
6
84°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Monument Hills
Monument Hills's August 2025 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 Monument Hills. See also: September | October | November.