S
M
T
W
T
F
S
26
89°
63°
27
89°
59°
28
88°
61°
29
89°
63°
30
88°
61°
31
87°
56°
1
87°
56°
2
85°
59°
3
84°
61°
4
91°
65°
5
92°
64°
6
91°
64°
7
92°
62°
8
90°
60°
9
90°
61°
10
89°
54°
11
88°
53°
12
79°
54°
13
79°
59°
14
84°
57°
15
84°
57°
16
87°
59°
17
87°
60°
18
88°
59°
19
87°
56°
20
87°
59°
21
86°
53°
22
79°
50°
23
77°
49°
24
76°
54°
25
79°
48°
26
76°
47°
27
74°
47°
28
74°
48°
29
75°
48°
30
75°
49°
31
77°
51°
1
78°
56°
2
79°
56°
3
84°
55°
4
84°
56°
5
85°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Post Falls-Rathdrum
Post Falls-Rathdrum's August 2026 forecast shows daily high temperatures ranging from 74° to 92°, with overnight lows between 47° and 65°. The average high for August is 84° 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 Post Falls-Rathdrum. See also: September | October | November.
