S
M
T
W
T
F
S
26
90°
72°
27
94°
71°
28
96°
75°
29
94°
69°
30
91°
66°
31
90°
69°
1
85°
70°
2
81°
69°
3
82°
71°
4
85°
70°
5
87°
71°
6
88°
70°
7
87°
71°
8
88°
70°
9
86°
71°
10
85°
72°
11
85°
72°
12
84°
71°
13
85°
72°
14
88°
72°
15
85°
71°
16
86°
72°
17
85°
71°
18
86°
72°
19
87°
72°
20
88°
71°
21
84°
71°
22
84°
69°
23
88°
71°
24
89°
72°
25
88°
71°
26
88°
72°
27
89°
72°
28
89°
71°
29
88°
72°
30
90°
72°
31
90°
71°
1
89°
71°
2
88°
70°
3
86°
70°
4
83°
69°
5
81°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Hartwell
Hartwell's August 2026 forecast shows daily high temperatures ranging from 81° to 96°, with overnight lows between 66° and 75°. The average high for August is 87° with an average low of 71°. 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 Hartwell. See also: September | October | November.