S
M
T
W
T
F
S
26
87°
64°
27
87°
64°
28
86°
63°
29
87°
63°
30
84°
58°
31
79°
56°
1
79°
62°
2
80°
62°
3
83°
61°
4
85°
62°
5
84°
63°
6
85°
63°
7
81°
62°
8
79°
60°
9
78°
59°
10
80°
56°
11
84°
60°
12
84°
62°
13
86°
63°
14
87°
59°
15
85°
63°
16
86°
60°
17
86°
54°
18
79°
53°
19
76°
52°
20
76°
51°
21
77°
52°
22
78°
52°
23
78°
53°
24
79°
53°
25
81°
54°
26
83°
58°
27
83°
52°
28
76°
51°
29
75°
51°
30
77°
54°
31
78°
52°
1
80°
50°
2
76°
49°
3
75°
52°
4
78°
59°
5
82°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Pioneer
Pioneer's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 49° and 64°. The average high for August is 81° with an average low of 57°. 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 Pioneer. See also: September | October | November.