S
M
T
W
T
F
S
26
98°
79°
27
97°
80°
28
90°
75°
29
85°
69°
30
87°
68°
31
81°
70°
1
78°
67°
2
82°
64°
3
85°
65°
4
88°
66°
5
90°
72°
6
87°
71°
7
87°
70°
8
89°
71°
9
93°
72°
10
95°
73°
11
89°
70°
12
92°
69°
13
89°
70°
14
91°
69°
15
88°
68°
16
83°
66°
17
92°
73°
18
93°
72°
19
93°
73°
20
92°
71°
21
90°
70°
22
91°
72°
23
91°
71°
24
89°
71°
25
87°
70°
26
89°
70°
27
88°
69°
28
89°
68°
29
90°
69°
30
88°
68°
31
88°
68°
1
89°
67°
2
89°
68°
3
88°
67°
4
88°
66°
5
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Maryland Heights
Maryland Heights's August 2026 forecast shows daily high temperatures ranging from 82° to 95°, with overnight lows between 64° and 73°. The average high for August is 89° with an average low of 69°. 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 Maryland Heights. See also: September | October | November.
