S
M
T
W
T
F
S
28
80°
57°
29
87°
60°
30
89°
62°
1
90°
63°
2
88°
58°
3
92°
64°
4
93°
64°
5
93°
63°
6
82°
56°
7
83°
57°
8
84°
61°
9
85°
62°
10
88°
63°
11
95°
66°
12
96°
67°
13
97°
67°
14
96°
68°
15
97°
68°
16
98°
67°
17
98°
69°
18
97°
69°
19
98°
70°
20
97°
70°
21
98°
69°
22
98°
69°
23
97°
70°
24
99°
70°
25
99°
69°
26
98°
69°
27
98°
67°
28
100°
68°
29
100°
66°
30
97°
67°
31
97°
65°
1
95°
63°
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 80° to 100°, with overnight lows between 56° and 70°. The average high for July is 94° with an average low of 65°. 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.
