S
M
T
W
T
F
S
28
68°
56°
29
65°
56°
30
65°
56°
1
68°
55°
2
74°
49°
3
78°
61°
4
79°
59°
5
82°
56°
6
89°
57°
7
84°
59°
8
77°
55°
9
80°
55°
10
79°
55°
11
76°
54°
12
81°
57°
13
85°
59°
14
88°
61°
15
86°
61°
16
87°
59°
17
86°
60°
18
87°
61°
19
81°
59°
20
79°
57°
21
82°
57°
22
84°
59°
23
85°
61°
24
85°
60°
25
81°
55°
26
79°
55°
27
84°
57°
28
82°
57°
29
79°
60°
30
79°
58°
31
84°
59°
1
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Boise
Boise's July 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 54° and 61°. The average high for July is 83° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Boise. See also: August | September | October.
