S
M
T
W
T
F
S
26
66°
56°
27
65°
56°
28
65°
57°
29
66°
58°
30
66°
55°
31
65°
53°
1
65°
53°
2
66°
54°
3
65°
55°
4
66°
58°
5
67°
55°
6
66°
56°
7
69°
54°
8
68°
58°
9
69°
59°
10
71°
58°
11
72°
56°
12
68°
55°
13
67°
56°
14
69°
54°
15
68°
54°
16
68°
56°
17
69°
55°
18
66°
51°
19
66°
52°
20
68°
53°
21
68°
56°
22
70°
58°
23
71°
57°
24
69°
53°
25
67°
49°
26
64°
48°
27
62°
49°
28
62°
50°
29
63°
51°
30
64°
49°
31
66°
53°
1
65°
55°
2
64°
54°
3
65°
53°
4
65°
53°
5
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fox Island River
Fox Island River's August 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 48° and 59°. The average high for August is 67° 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 Fox Island River. See also: September | October | November.