S
M
T
W
T
F
S
27
66°
37°
28
65°
38°
29
68°
41°
30
64°
41°
1
63°
39°
2
70°
39°
3
66°
37°
4
Hist. Avg.
66°
35°
5
Hist. Avg.
65°
34°
6
Hist. Avg.
65°
34°
7
Hist. Avg.
64°
34°
8
Hist. Avg.
64°
34°
9
Hist. Avg.
63°
33°
10
Hist. Avg.
62°
33°
11
Hist. Avg.
62°
32°
12
Hist. Avg.
61°
32°
13
Hist. Avg.
61°
32°
14
Hist. Avg.
60°
31°
15
Hist. Avg.
60°
31°
16
Hist. Avg.
59°
31°
17
Hist. Avg.
58°
30°
18
Hist. Avg.
58°
30°
19
Hist. Avg.
57°
30°
20
Hist. Avg.
57°
29°
21
Hist. Avg.
56°
29°
22
Hist. Avg.
56°
29°
23
Hist. Avg.
55°
28°
24
Hist. Avg.
55°
28°
25
Hist. Avg.
54°
28°
26
Hist. Avg.
54°
28°
27
Hist. Avg.
53°
27°
28
Hist. Avg.
53°
27°
29
Hist. Avg.
52°
27°
30
Hist. Avg.
52°
26°
31
Hist. Avg.
51°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Idaho Falls West
Idaho Falls West's October 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 37° and 41°. The average high for October is 66° with an average low of 39°. 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 Idaho Falls West. See also: November | December | January.
