S
M
T
W
T
F
S
26
70°
55°
27
80°
56°
28
80°
51°
29
75°
47°
30
76°
46°
31
75°
43°
1
70°
45°
2
70°
46°
3
72°
48°
4
74°
51°
5
78°
50°
6
79°
56°
7
80°
55°
8
80°
55°
9
81°
53°
10
77°
57°
11
73°
45°
12
78°
44°
13
67°
44°
14
67°
45°
15
70°
46°
16
73°
48°
17
75°
52°
18
75°
53°
19
77°
54°
20
77°
54°
21
76°
53°
22
79°
49°
23
75°
45°
24
66°
43°
25
67°
45°
26
66°
47°
27
64°
49°
28
64°
49°
29
65°
48°
30
66°
47°
31
69°
47°
1
68°
46°
2
73°
49°
3
73°
50°
4
72°
50°
5
74°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kelliher
Kelliher's August 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 43° and 57°. The average high for August is 73° 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 Kelliher. See also: September | October | November.