S
M
T
W
T
F
S
26
99°
78°
27
99°
77°
28
101°
80°
29
92°
73°
30
90°
71°
31
87°
72°
1
81°
72°
2
84°
69°
3
88°
68°
4
91°
66°
5
92°
65°
6
93°
71°
7
92°
71°
8
92°
74°
9
96°
70°
10
98°
74°
11
98°
75°
12
99°
77°
13
101°
77°
14
101°
78°
15
101°
73°
16
104°
79°
17
97°
77°
18
94°
73°
19
101°
76°
20
93°
72°
21
93°
68°
22
93°
70°
23
93°
69°
24
88°
70°
25
90°
72°
26
91°
68°
27
90°
67°
28
89°
69°
29
89°
68°
30
90°
67°
31
91°
68°
1
87°
67°
2
82°
70°
3
82°
65°
4
90°
70°
5
86°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Marked Tree
Marked Tree's August 2026 forecast shows daily high temperatures ranging from 82° to 101°, with overnight lows between 65° and 76°. The average high for August is 90° 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 Marked Tree. See also: September | October | November.