S
M
T
W
T
F
S
26
90°
72°
27
90°
72°
28
93°
71°
29
90°
73°
30
87°
68°
31
87°
63°
1
88°
70°
2
79°
69°
3
82°
69°
4
85°
67°
5
84°
71°
6
89°
70°
7
87°
70°
8
90°
69°
9
89°
69°
10
91°
71°
11
90°
72°
12
90°
74°
13
94°
76°
14
96°
75°
15
97°
74°
16
97°
75°
17
98°
77°
18
95°
76°
19
94°
74°
20
93°
75°
21
95°
75°
22
94°
73°
23
92°
73°
24
91°
74°
25
88°
70°
26
91°
74°
27
91°
74°
28
90°
73°
29
89°
72°
30
90°
73°
31
91°
74°
1
91°
73°
2
90°
73°
3
90°
72°
4
89°
73°
5
90°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Guntersville
Guntersville's August 2026 forecast shows daily high temperatures ranging from 88° to 98°, with overnight lows between 70° and 77°. The average high for August is 92° with an average low of 74°. 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 Guntersville. See also: September | October | November.
