S
M
T
W
T
F
S
27
72°
48°
28
72°
46°
29
73°
49°
30
71°
45°
1
69°
47°
2
69°
48°
3
70°
44°
4
71°
39°
5
69°
39°
6
61°
40°
7
59°
40°
8
60°
38°
9
64°
37°
10
60°
38°
11
60°
40°
12
61°
44°
13
58°
45°
14
57°
42°
15
56°
42°
16
55°
40°
17
55°
38°
18
53°
37°
19
52°
37°
20
52°
35°
21
53°
37°
22
52°
38°
23
54°
37°
24
53°
36°
25
54°
36°
26
56°
39°
27
53°
35°
28
52°
45°
29
50°
38°
30
50°
41°
31
Hist. Avg.
54°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Boise
Boise's October 2026 forecast shows daily high temperatures ranging from 50° to 73°, with overnight lows between 35° and 49°. The average high for October is 60° with an average low of 41°. 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 Boise. See also: November | December | January.
