S
M
T
W
T
F
S
26
80°
52°
27
81°
56°
28
81°
54°
29
82°
54°
30
83°
56°
31
83°
56°
1
86°
55°
2
83°
55°
3
88°
56°
4
82°
50°
5
80°
52°
6
79°
47°
7
80°
50°
8
88°
55°
9
90°
56°
10
90°
56°
11
89°
55°
12
88°
54°
13
86°
54°
14
83°
44°
15
79°
45°
16
81°
50°
17
84°
54°
18
89°
56°
19
91°
50°
20
86°
48°
21
85°
50°
22
89°
56°
23
92°
49°
24
79°
48°
25
82°
48°
26
85°
52°
27
88°
46°
28
88°
48°
29
84°
43°
30
77°
43°
31
78°
46°
1
83°
48°
2
86°
53°
3
86°
51°
4
83°
44°
5
74°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kettle Falls
Kettle Falls's August 2026 forecast shows daily high temperatures ranging from 74° to 92°, with overnight lows between 42° and 56°. 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 Kettle Falls. See also: September | October | November.
