S
M
T
W
T
F
S
26
87°
70°
27
92°
70°
28
93°
70°
29
92°
67°
30
89°
66°
31
92°
71°
1
88°
71°
2
86°
71°
3
92°
71°
4
85°
72°
5
86°
70°
6
87°
73°
7
90°
71°
8
88°
70°
9
86°
68°
10
87°
67°
11
89°
69°
12
91°
70°
13
91°
69°
14
90°
68°
15
89°
69°
16
87°
67°
17
90°
71°
18
91°
71°
19
92°
72°
20
92°
71°
21
91°
70°
22
90°
69°
23
90°
69°
24
91°
70°
25
90°
70°
26
90°
69°
27
89°
70°
28
89°
69°
29
88°
68°
30
89°
69°
31
89°
69°
1
88°
68°
2
90°
68°
3
86°
66°
4
83°
63°
5
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Blythewood
Blythewood's August 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 63° 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 Blythewood. See also: September | October | November.