S
M
T
W
T
F
S
27
66°
48°
28
58°
50°
29
59°
50°
30
64°
49°
1
77°
49°
2
63°
46°
3
58°
31°
4
62°
28°
5
57°
42°
6
52°
31°
7
48°
31°
8
N/A
9
48°
32°
10
47°
33°
11
62°
45°
12
57°
40°
13
47°
34°
14
43°
31°
15
48°
35°
16
53°
41°
17
48°
36°
18
47°
33°
19
48°
34°
20
46°
34°
21
46°
35°
22
50°
31°
23
41°
25°
24
40°
24°
25
45°
35°
26
48°
28°
27
44°
23°
28
38°
26°
29
38°
25°
30
42°
32°
31
44°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Thetford Mines
Thetford Mines's October 2026 forecast shows daily high temperatures ranging from 38° to 62°, with overnight lows between 23° and 45°. The average high for October is 47° with an average low of 32°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Thetford Mines. See also: November | December | January.