S
M
T
W
T
F
S
26
87°
66°
27
86°
66°
28
84°
65°
29
82°
64°
30
81°
59°
31
79°
59°
1
78°
60°
2
79°
59°
3
80°
65°
4
80°
62°
5
81°
61°
6
83°
66°
7
84°
65°
8
81°
64°
9
81°
60°
10
82°
60°
11
83°
59°
12
85°
65°
13
86°
64°
14
87°
65°
15
84°
64°
16
86°
65°
17
88°
65°
18
84°
58°
19
81°
57°
20
78°
56°
21
79°
56°
22
79°
57°
23
80°
56°
24
80°
56°
25
82°
57°
26
83°
56°
27
84°
59°
28
83°
56°
29
78°
55°
30
78°
55°
31
82°
59°
1
84°
54°
2
79°
55°
3
78°
54°
4
79°
59°
5
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lost Creek
Lost Creek's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 54° and 66°. The average high for August is 82° with an average low of 60°. 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 Creek. See also: September | October | November.