S
M
T
W
T
F
S
27
71°
48°
28
64°
60°
29
66°
52°
30
70°
42°
1
60°
40°
2
63°
48°
3
62°
43°
4
58°
43°
5
62°
46°
6
61°
41°
7
64°
48°
8
65°
48°
9
66°
48°
10
57°
37°
11
55°
43°
12
55°
43°
13
51°
43°
14
60°
44°
15
61°
43°
16
60°
42°
17
59°
43°
18
60°
41°
19
54°
41°
20
58°
40°
21
52°
38°
22
53°
40°
23
56°
41°
24
55°
39°
25
56°
38°
26
45°
35°
27
50°
38°
28
53°
37°
29
52°
36°
30
49°
38°
31
51°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Thief River Falls
Thief River Falls's October 2026 forecast shows daily high temperatures ranging from 45° to 71°, with overnight lows between 35° and 60°. The average high for October is 58° with an average low of 42°. 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 Thief River Falls. See also: November | December | January.
