S
M
T
W
T
F
S
26
84°
57°
27
84°
57°
28
81°
59°
29
78°
63°
30
71°
58°
31
77°
62°
1
81°
57°
2
84°
64°
3
73°
56°
4
77°
56°
5
82°
59°
6
82°
64°
7
77°
61°
8
77°
62°
9
79°
62°
10
74°
57°
11
75°
55°
12
70°
52°
13
69°
53°
14
71°
54°
15
72°
54°
16
71°
42°
17
70°
53°
18
66°
49°
19
68°
48°
20
71°
49°
21
65°
49°
22
69°
54°
23
70°
53°
24
72°
53°
25
70°
52°
26
72°
52°
27
72°
50°
28
68°
53°
29
71°
53°
30
69°
52°
31
71°
48°
1
64°
46°
2
61°
46°
3
62°
47°
4
63°
44°
5
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Thetford Mines
Thetford Mines's August 2026 forecast shows daily high temperatures ranging from 61° to 82°, with overnight lows between 42° and 64°. The average high for August is 71° with an average low of 53°. 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 Thetford Mines. See also: September | October | November.
