S
M
T
W
T
F
S
26
70°
57°
27
68°
56°
28
69°
54°
29
69°
53°
30
70°
50°
31
65°
49°
1
66°
53°
2
70°
54°
3
70°
54°
4
69°
52°
5
69°
49°
6
67°
50°
7
69°
56°
8
70°
56°
9
71°
52°
10
71°
49°
11
70°
47°
12
65°
48°
13
68°
48°
14
68°
47°
15
67°
47°
16
68°
51°
17
70°
56°
18
70°
57°
19
71°
55°
20
72°
56°
21
70°
54°
22
64°
53°
23
65°
54°
24
69°
54°
25
63°
48°
26
62°
50°
27
63°
47°
28
62°
47°
29
63°
46°
30
64°
47°
31
64°
49°
1
65°
54°
2
63°
54°
3
63°
53°
4
62°
52°
5
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ilwaco
Ilwaco's August 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 46° and 57°. The average high for August is 67° with an average low of 52°. 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 Ilwaco. See also: September | October | November.
