S
M
T
W
T
F
S
26
80°
60°
27
82°
61°
28
80°
62°
29
78°
61°
30
76°
61°
31
81°
60°
1
83°
61°
2
82°
59°
3
83°
61°
4
84°
61°
5
84°
59°
6
79°
58°
7
78°
60°
8
79°
57°
9
77°
56°
10
79°
53°
11
76°
59°
12
81°
59°
13
83°
58°
14
80°
52°
15
75°
51°
16
75°
51°
17
77°
55°
18
74°
51°
19
75°
50°
20
77°
50°
21
77°
51°
22
80°
57°
23
81°
56°
24
81°
53°
25
82°
51°
26
81°
56°
27
80°
55°
28
75°
52°
29
80°
57°
30
81°
51°
31
79°
46°
1
73°
46°
2
72°
48°
3
72°
46°
4
73°
46°
5
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lost River
Lost River's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 45° and 62°. The average high for August is 79° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Lost River. See also: September | October | November.
