S
M
T
W
T
F
S
26
83°
63°
27
80°
66°
28
77°
61°
29
75°
59°
30
80°
60°
31
79°
62°
1
77°
59°
2
77°
60°
3
79°
61°
4
80°
62°
5
81°
68°
6
75°
61°
7
81°
62°
8
80°
62°
9
81°
61°
10
78°
59°
11
74°
57°
12
73°
56°
13
74°
61°
14
76°
62°
15
78°
61°
16
80°
61°
17
78°
60°
18
76°
61°
19
74°
61°
20
78°
60°
21
78°
56°
22
71°
54°
23
71°
55°
24
76°
59°
25
79°
59°
26
76°
57°
27
73°
55°
28
70°
52°
29
71°
52°
30
73°
58°
31
77°
58°
1
78°
57°
2
77°
56°
3
68°
52°
4
66°
46°
5
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in L'Assomption
L'Assomption's August 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 45° and 68°. The average high for August is 76° with an average low of 59°. 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 L'Assomption. See also: September | October | November.
