S
M
T
W
T
F
S
26
83°
63°
27
82°
67°
28
79°
66°
29
78°
65°
30
74°
65°
31
80°
64°
1
81°
64°
2
80°
69°
3
73°
64°
4
78°
62°
5
79°
65°
6
81°
66°
7
81°
70°
8
83°
70°
9
82°
69°
10
77°
65°
11
81°
65°
12
76°
63°
13
77°
60°
14
74°
58°
15
75°
55°
16
71°
55°
17
75°
63°
18
77°
59°
19
70°
63°
20
74°
60°
21
74°
54°
22
79°
54°
23
72°
63°
24
73°
61°
25
72°
61°
26
76°
60°
27
78°
62°
28
70°
56°
29
72°
54°
30
75°
57°
31
71°
54°
1
74°
53°
2
73°
57°
3
76°
62°
4
75°
61°
5
70°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Trois-Rivières
Trois-Rivières'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 Trois-Rivières. See also: September | October | November.
