S
M
T
W
T
F
S
26
80°
59°
27
81°
61°
28
81°
60°
29
74°
56°
30
72°
55°
31
71°
53°
1
71°
57°
2
72°
53°
3
76°
56°
4
73°
54°
5
74°
53°
6
80°
59°
7
75°
57°
8
80°
58°
9
81°
60°
10
81°
60°
11
82°
59°
12
82°
61°
13
81°
60°
14
81°
60°
15
80°
59°
16
80°
60°
17
81°
60°
18
81°
59°
19
80°
60°
20
81°
60°
21
81°
59°
22
80°
60°
23
81°
60°
24
77°
51°
25
73°
58°
26
77°
59°
27
78°
60°
28
81°
59°
29
80°
55°
30
80°
59°
31
79°
59°
1
78°
54°
2
78°
54°
3
77°
51°
4
79°
51°
5
77°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in McChord Air Force Base
McChord Air Force Base's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 49° and 61°. The average high for August is 78° with an average low of 57°. 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 McChord Air Force Base. See also: September | October | November.
