S
M
T
W
T
F
S
26
87°
68°
27
87°
69°
28
86°
69°
29
88°
68°
30
84°
68°
31
84°
67°
1
82°
68°
2
82°
68°
3
83°
67°
4
84°
64°
5
83°
63°
6
82°
62°
7
82°
62°
8
83°
68°
9
81°
68°
10
82°
67°
11
82°
66°
12
83°
64°
13
83°
65°
14
84°
66°
15
84°
68°
16
87°
69°
17
89°
69°
18
89°
68°
19
88°
69°
20
89°
67°
21
84°
60°
22
81°
59°
23
82°
62°
24
84°
61°
25
83°
62°
26
89°
67°
27
90°
68°
28
90°
67°
29
85°
68°
30
90°
61°
31
88°
61°
1
85°
66°
2
89°
65°
3
89°
65°
4
88°
66°
5
90°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Joelton
Joelton's August 2026 forecast shows daily high temperatures ranging from 81° to 90°, with overnight lows between 59° and 69°. The average high for August is 85° with an average low of 66°. 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 Joelton. See also: September | October | November.