S
M
T
W
T
F
S
26
76°
59°
27
81°
58°
28
74°
56°
29
79°
58°
30
80°
50°
31
87°
51°
1
74°
53°
2
75°
51°
3
77°
46°
4
83°
50°
5
90°
50°
6
90°
52°
7
87°
54°
8
85°
54°
9
80°
51°
10
76°
55°
11
80°
55°
12
81°
56°
13
82°
55°
14
80°
57°
15
77°
57°
16
76°
59°
17
82°
55°
18
82°
57°
19
84°
55°
20
89°
54°
21
81°
55°
22
78°
60°
23
77°
56°
24
83°
52°
25
85°
55°
26
82°
53°
27
76°
56°
28
73°
52°
29
72°
51°
30
73°
49°
31
80°
47°
1
69°
50°
2
70°
52°
3
68°
52°
4
72°
51°
5
73°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Steilacoom
Steilacoom's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Steilacoom. See also: September | October | November.
