S
M
T
W
T
F
S
26
65°
49°
27
78°
49°
28
73°
57°
29
71°
53°
30
69°
52°
31
60°
54°
1
59°
53°
2
65°
53°
3
68°
54°
4
73°
57°
5
69°
54°
6
66°
53°
7
67°
52°
8
69°
52°
9
77°
51°
10
70°
53°
11
70°
58°
12
67°
54°
13
64°
53°
14
71°
55°
15
64°
53°
16
65°
48°
17
65°
48°
18
61°
58°
19
67°
55°
20
62°
58°
21
66°
50°
22
65°
47°
23
65°
48°
24
64°
55°
25
67°
60°
26
65°
58°
27
66°
59°
28
66°
59°
29
66°
55°
30
64°
50°
31
60°
48°
1
58°
47°
2
62°
42°
3
64°
46°
4
65°
46°
5
55°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Blanc-Sablon
Blanc-Sablon'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 Blanc-Sablon. See also: September | October | November.
