S
M
T
W
T
F
S
26
84°
61°
27
84°
66°
28
72°
63°
29
79°
64°
30
79°
63°
31
82°
61°
1
N/A
2
77°
67°
3
75°
60°
4
82°
60°
5
83°
66°
6
83°
66°
7
83°
67°
8
83°
68°
9
82°
64°
10
82°
62°
11
76°
60°
12
72°
61°
13
76°
60°
14
75°
57°
15
72°
58°
16
71°
56°
17
78°
60°
18
72°
57°
19
71°
57°
20
75°
56°
21
70°
56°
22
72°
60°
23
75°
60°
24
74°
59°
25
74°
59°
26
77°
58°
27
77°
59°
28
69°
60°
29
77°
60°
30
76°
59°
31
76°
58°
1
68°
56°
2
67°
55°
3
67°
54°
4
68°
52°
5
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Sainte-Marthe-sur-le-Lac
Sainte-Marthe-sur-le-Lac's August 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 52° and 68°. The average high for August is 75° with an average low of 60°. 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 Sainte-Marthe-sur-le-Lac. See also: September | October | November.
