S
M
T
W
T
F
S
26
67°
54°
27
66°
53°
28
62°
54°
29
62°
54°
30
63°
53°
31
64°
54°
1
66°
54°
2
65°
53°
3
60°
48°
4
60°
50°
5
63°
50°
6
65°
51°
7
66°
50°
8
60°
51°
9
62°
54°
10
67°
56°
11
68°
56°
12
69°
55°
13
69°
56°
14
68°
55°
15
68°
53°
16
67°
52°
17
67°
52°
18
65°
51°
19
64°
52°
20
59°
52°
21
60°
48°
22
60°
49°
23
61°
53°
24
62°
54°
25
64°
53°
26
66°
54°
27
66°
54°
28
68°
53°
29
67°
55°
30
67°
55°
31
66°
53°
1
66°
51°
2
65°
53°
3
64°
51°
4
62°
52°
5
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Francis Island
Francis Island's August 2026 forecast shows daily high temperatures ranging from 59° to 69°, with overnight lows between 48° and 56°. The average high for August is 64° with an average low of 53°. 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 Francis Island. See also: September | October | November.
