S
M
T
W
T
F
S
26
74°
51°
27
75°
49°
28
73°
51°
29
75°
58°
30
75°
58°
31
80°
59°
1
81°
60°
2
82°
60°
3
83°
59°
4
82°
54°
5
77°
52°
6
72°
53°
7
73°
53°
8
73°
55°
9
76°
57°
10
77°
56°
11
74°
56°
12
79°
57°
13
78°
50°
14
77°
56°
15
79°
57°
16
77°
52°
17
73°
49°
18
72°
49°
19
74°
50°
20
78°
53°
21
78°
55°
22
76°
52°
23
71°
50°
24
74°
52°
25
77°
56°
26
78°
48°
27
76°
46°
28
70°
47°
29
69°
53°
30
68°
51°
31
76°
55°
1
77°
50°
2
74°
50°
3
69°
46°
4
69°
46°
5
71°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Val-des-Sources
Val-des-Sources's August 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 46° and 60°. The average high for August is 75° 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 Val-des-Sources. See also: September | October | November.