S
M
T
W
T
F
S
26
92°
52°
27
91°
51°
28
87°
46°
29
84°
47°
30
85°
48°
31
86°
45°
1
84°
46°
2
83°
45°
3
82°
52°
4
83°
54°
5
93°
50°
6
Hist. Avg.
87°
48°
7
Hist. Avg.
87°
48°
8
Hist. Avg.
87°
48°
9
Hist. Avg.
87°
48°
10
Hist. Avg.
87°
48°
11
Hist. Avg.
87°
48°
12
Hist. Avg.
86°
47°
13
Hist. Avg.
86°
47°
14
Hist. Avg.
86°
47°
15
Hist. Avg.
86°
47°
16
Hist. Avg.
86°
47°
17
Hist. Avg.
85°
47°
18
Hist. Avg.
85°
46°
19
Hist. Avg.
85°
46°
20
Hist. Avg.
85°
46°
21
Hist. Avg.
84°
46°
22
Hist. Avg.
84°
46°
23
Hist. Avg.
84°
46°
24
Hist. Avg.
84°
45°
25
Hist. Avg.
84°
45°
26
Hist. Avg.
83°
45°
27
Hist. Avg.
83°
45°
28
Hist. Avg.
83°
44°
29
Hist. Avg.
83°
44°
30
Hist. Avg.
82°
44°
31
Hist. Avg.
82°
44°
1
Hist. Avg.
82°
44°
2
Hist. Avg.
82°
43°
3
Hist. Avg.
82°
43°
4
Hist. Avg.
81°
43°
5
Hist. Avg.
81°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Prineville
Prineville's August 2026 forecast shows daily high temperatures ranging from 82° to 93°, with overnight lows between 45° and 54°. The average high for August is 86° with an average low of 49°. 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 Prineville. See also: September | October | November.
