S
M
T
W
T
F
S
26
79°
57°
27
78°
57°
28
79°
56°
29
77°
55°
30
74°
51°
31
69°
48°
1
68°
47°
2
68°
48°
3
69°
46°
4
70°
52°
5
71°
54°
6
72°
54°
7
69°
52°
8
70°
49°
9
70°
51°
10
71°
46°
11
70°
43°
12
71°
51°
13
69°
55°
14
79°
48°
15
77°
51°
16
76°
54°
17
77°
49°
18
76°
51°
19
74°
46°
20
68°
43°
21
68°
42°
22
69°
42°
23
73°
45°
24
75°
48°
25
75°
49°
26
74°
50°
27
76°
50°
28
76°
48°
29
75°
48°
30
75°
50°
31
74°
43°
1
74°
39°
2
66°
41°
3
65°
48°
4
70°
47°
5
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Saint-Marcel
Saint-Marcel's August 2026 forecast shows daily high temperatures ranging from 65° to 79°, with overnight lows between 39° and 57°. The average high for August is 73° with an average low of 49°. 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 Saint-Marcel. See also: September | October | November.
