S
M
T
W
T
F
S
26
61°
58°
27
63°
54°
28
63°
53°
29
65°
54°
30
65°
56°
31
64°
57°
1
63°
59°
2
67°
58°
3
66°
58°
4
67°
57°
5
68°
57°
6
68°
56°
7
67°
59°
8
68°
54°
9
64°
55°
10
63°
54°
11
64°
55°
12
66°
54°
13
65°
55°
14
63°
54°
15
63°
56°
16
67°
58°
17
65°
58°
18
67°
57°
19
67°
57°
20
66°
58°
21
65°
58°
22
67°
56°
23
66°
56°
24
65°
57°
25
63°
58°
26
64°
56°
27
64°
53°
28
63°
56°
29
63°
57°
30
62°
58°
31
64°
59°
1
67°
58°
2
67°
57°
3
66°
57°
4
66°
56°
5
67°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mappleton
Mappleton's August 2026 forecast shows daily high temperatures ranging from 61° to 68°, with overnight lows between 53° and 59°. The average high for August is 65° with an average low of 56°. 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 Mappleton. See also: September | October | November.