S
M
T
W
T
F
S
28
88°
71°
29
90°
72°
30
91°
71°
1
91°
70°
2
90°
70°
3
87°
68°
4
87°
66°
5
86°
64°
6
81°
60°
7
82°
61°
8
82°
63°
9
81°
62°
10
82°
66°
11
86°
68°
12
84°
68°
13
84°
67°
14
85°
68°
15
83°
66°
16
82°
63°
17
83°
62°
18
82°
62°
19
83°
67°
20
85°
64°
21
82°
62°
22
82°
61°
23
83°
62°
24
83°
64°
25
85°
67°
26
85°
68°
27
83°
67°
28
83°
64°
29
82°
66°
30
84°
68°
31
86°
68°
1
85°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lost River
Lost River's July 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 60° and 72°. The average high for July is 85° with an average low of 66°. 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 Lost River. See also: August | September | October.