S
M
T
W
T
F
S
26
94°
68°
27
90°
66°
28
93°
65°
29
89°
64°
30
88°
61°
31
87°
60°
1
88°
61°
2
92°
64°
3
97°
62°
4
97°
69°
5
96°
66°
6
98°
65°
7
97°
68°
8
96°
67°
9
93°
62°
10
93°
59°
11
90°
58°
12
89°
59°
13
89°
58°
14
90°
58°
15
89°
59°
16
88°
59°
17
88°
60°
18
87°
60°
19
87°
61°
20
88°
59°
21
87°
60°
22
87°
58°
23
86°
56°
24
86°
55°
25
87°
54°
26
85°
56°
27
85°
54°
28
90°
55°
29
89°
60°
30
91°
59°
31
91°
61°
1
89°
55°
2
81°
54°
3
82°
54°
4
83°
53°
5
82°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in American Fork
American Fork's August 2026 forecast shows daily high temperatures ranging from 81° to 98°, with overnight lows between 53° and 69°. The average high for August is 89° with an average low of 60°. 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 American Fork. See also: September | October | November.
