S
M
T
W
T
F
S
26
90°
61°
27
83°
61°
28
88°
62°
29
89°
62°
30
90°
63°
31
91°
63°
1
89°
61°
2
90°
61°
3
88°
60°
4
88°
61°
5
83°
60°
6
80°
60°
7
84°
59°
8
86°
60°
9
88°
61°
10
84°
57°
11
81°
51°
12
79°
51°
13
80°
56°
14
87°
57°
15
89°
49°
16
80°
49°
17
79°
45°
18
76°
47°
19
78°
48°
20
80°
54°
21
84°
55°
22
86°
58°
23
89°
52°
24
89°
45°
25
78°
43°
26
75°
45°
27
77°
52°
28
85°
55°
29
87°
57°
30
88°
46°
31
83°
43°
1
75°
49°
2
74°
55°
3
85°
47°
4
84°
41°
5
73°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Killdeer
Killdeer's August 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 41° and 63°. The average high for August is 84° with an average low of 54°. 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 Killdeer. See also: September | October | November.