S
M
T
W
T
F
S
26
76°
47°
27
78°
47°
28
77°
49°
29
74°
54°
30
77°
45°
31
70°
46°
1
70°
45°
2
71°
47°
3
72°
48°
4
69°
47°
5
70°
52°
6
76°
54°
7
78°
50°
8
77°
46°
9
77°
49°
10
75°
49°
11
69°
50°
12
67°
46°
13
69°
55°
14
69°
48°
15
71°
52°
16
70°
50°
17
69°
52°
18
70°
47°
19
70°
54°
20
69°
47°
21
68°
45°
22
69°
45°
23
Hist. Avg.
72°
48°
24
Hist. Avg.
71°
48°
25
Hist. Avg.
71°
48°
26
Hist. Avg.
71°
48°
27
Hist. Avg.
71°
48°
28
Hist. Avg.
71°
48°
29
Hist. Avg.
71°
48°
30
Hist. Avg.
70°
47°
31
Hist. Avg.
70°
47°
1
Hist. Avg.
70°
47°
2
Hist. Avg.
70°
47°
3
Hist. Avg.
70°
47°
4
Hist. Avg.
70°
47°
5
Hist. Avg.
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Lopez Island
Lopez Island's August 2026 forecast shows daily high temperatures ranging from 67° to 78°, with overnight lows between 45° and 55°. The average high for August is 72° 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 Lopez Island. See also: September | October | November.
