S
M
T
W
T
F
S
26
91°
57°
27
90°
57°
28
91°
56°
29
89°
57°
30
85°
56°
31
90°
57°
1
90°
56°
2
89°
57°
3
90°
57°
4
89°
56°
5
90°
57°
6
90°
57°
7
89°
56°
8
90°
57°
9
88°
54°
10
79°
51°
11
79°
51°
12
78°
48°
13
78°
50°
14
82°
51°
15
87°
55°
16
87°
53°
17
79°
43°
18
79°
45°
19
86°
48°
20
86°
50°
21
88°
48°
22
86°
52°
23
87°
52°
24
87°
51°
25
83°
51°
26
74°
40°
27
73°
43°
28
74°
48°
29
74°
42°
30
71°
38°
31
71°
45°
1
77°
48°
2
81°
49°
3
84°
48°
4
83°
47°
5
79°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Priest River
Priest River's August 2026 forecast shows daily high temperatures ranging from 71° to 91°, with overnight lows between 38° and 57°. The average high for August is 84° with an average low of 51°. 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 Priest River. See also: September | October | November.
