S
M
T
W
T
F
S
27
87°
56°
28
84°
58°
29
72°
61°
30
66°
53°
1
61°
52°
2
68°
44°
3
78°
50°
4
74°
53°
5
80°
52°
6
88°
50°
7
87°
53°
8
84°
48°
9
85°
51°
10
85°
58°
11
86°
60°
12
86°
58°
13
85°
50°
14
52°
47°
15
57°
39°
16
54°
27°
17
74°
27°
18
79°
33°
19
74°
47°
20
79°
49°
21
80°
47°
22
83°
49°
23
80°
56°
24
71°
44°
25
56°
43°
26
63°
52°
27
72°
48°
28
78°
42°
29
70°
40°
30
65°
50°
31
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Boise City
Boise City's October 2026 forecast shows daily high temperatures ranging from 65° to 68°, with overnight lows between 48° and 50°. The average high for October is 67° with an average low of 49°. 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 City. See also: November | December | January.
