S
M
T
W
T
F
S
26
78°
55°
27
85°
54°
28
87°
54°
29
81°
53°
30
77°
49°
31
78°
53°
1
81°
54°
2
87°
55°
3
86°
46°
4
82°
45°
5
80°
50°
6
88°
53°
7
89°
54°
8
88°
47°
9
79°
49°
10
78°
43°
11
78°
46°
12
77°
45°
13
77°
48°
14
80°
40°
15
74°
44°
16
77°
49°
17
82°
49°
18
83°
50°
19
84°
46°
20
75°
46°
21
76°
47°
22
75°
41°
23
72°
40°
24
71°
42°
25
73°
45°
26
78°
46°
27
82°
48°
28
81°
39°
29
71°
39°
30
72°
42°
31
77°
47°
1
80°
45°
2
77°
48°
3
80°
49°
4
79°
46°
5
78°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kalispell
Kalispell's August 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 39° and 55°. The average high for August is 79° with an average low of 47°. 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 Kalispell. See also: September | October | November.
