S
M
T
W
T
F
S
26
90°
74°
27
90°
73°
28
96°
72°
29
93°
76°
30
92°
71°
31
94°
68°
1
94°
74°
2
90°
73°
3
83°
74°
4
75°
75°
5
92°
72°
6
93°
67°
7
86°
71°
8
91°
70°
9
94°
72°
10
90°
74°
11
95°
72°
12
93°
71°
13
97°
74°
14
97°
72°
15
96°
75°
16
94°
76°
17
97°
75°
18
96°
75°
19
97°
75°
20
98°
74°
21
97°
74°
22
90°
71°
23
95°
71°
24
96°
70°
25
93°
66°
26
87°
73°
27
91°
72°
28
83°
71°
29
85°
74°
30
87°
73°
31
93°
72°
1
96°
71°
2
97°
72°
3
96°
73°
4
96°
73°
5
98°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Matthews
St. Matthews's August 2026 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 St. Matthews. See also: September | October | November.