S
M
T
W
T
F
S
26
87°
70°
27
87°
67°
28
87°
67°
29
89°
68°
30
88°
67°
31
86°
69°
1
87°
70°
2
87°
70°
3
90°
71°
4
89°
70°
5
88°
71°
6
88°
70°
7
89°
67°
8
91°
68°
9
91°
69°
10
88°
70°
11
90°
70°
12
89°
71°
13
87°
70°
14
86°
70°
15
86°
69°
16
87°
71°
17
91°
71°
18
91°
70°
19
86°
70°
20
86°
66°
21
87°
67°
22
90°
69°
23
88°
67°
24
86°
68°
25
87°
65°
26
86°
67°
27
89°
69°
28
89°
65°
29
85°
64°
30
83°
64°
31
84°
65°
1
84°
64°
2
86°
64°
3
87°
65°
4
87°
66°
5
84°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Suwanee-Duluth
Suwanee-Duluth's August 2026 forecast shows daily high temperatures ranging from 83° to 91°, with overnight lows between 64° and 71°. The average high for August is 87° with an average low of 68°. 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 Suwanee-Duluth. See also: September | October | November.
