S
M
T
W
T
F
S
26
85°
59°
27
85°
63°
28
74°
62°
29
78°
67°
30
79°
64°
31
81°
63°
1
82°
69°
2
79°
67°
3
78°
62°
4
84°
63°
5
82°
67°
6
84°
68°
7
84°
67°
8
84°
65°
9
83°
63°
10
81°
63°
11
78°
60°
12
74°
61°
13
76°
60°
14
77°
57°
15
73°
58°
16
72°
56°
17
80°
60°
18
73°
57°
19
72°
58°
20
76°
56°
21
72°
56°
22
74°
61°
23
76°
60°
24
75°
60°
25
75°
59°
26
78°
60°
27
77°
59°
28
70°
60°
29
78°
60°
30
77°
59°
31
77°
58°
1
69°
56°
2
68°
55°
3
68°
54°
4
69°
53°
5
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Terrebonne
Terrebonne's August 2026 forecast shows daily high temperatures ranging from 68° to 84°, with overnight lows between 53° and 69°. The average high for August is 76° 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 Terrebonne. See also: September | October | November.
