S
M
T
W
T
F
S
27
81°
61°
28
75°
63°
29
79°
63°
30
72°
68°
1
70°
54°
2
70°
46°
3
75°
46°
4
75°
46°
5
77°
43°
6
86°
52°
7
86°
52°
8
84°
46°
9
91°
64°
10
90°
63°
11
91°
64°
12
90°
59°
13
66°
54°
14
63°
54°
15
57°
48°
16
54°
34°
17
61°
30°
18
68°
41°
19
68°
41°
20
73°
41°
21
77°
54°
22
79°
48°
23
81°
55°
24
79°
55°
25
82°
54°
26
79°
56°
27
65°
57°
28
75°
57°
29
75°
57°
30
71°
57°
31
65°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Tarkio
Tarkio's October 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 54° and 57°. The average high for October is 73° with an average low of 56°. 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 Tarkio. See also: November | December | January.
