S
M
T
W
T
F
S
26
89°
68°
27
87°
67°
28
88°
66°
29
84°
65°
30
84°
66°
31
83°
65°
1
85°
66°
2
85°
65°
3
80°
60°
4
82°
64°
5
84°
65°
6
85°
66°
7
85°
64°
8
78°
59°
9
77°
57°
10
77°
61°
11
83°
64°
12
84°
65°
13
82°
64°
14
79°
64°
15
76°
63°
16
76°
62°
17
78°
63°
18
82°
63°
19
84°
62°
20
84°
64°
21
72°
52°
22
75°
52°
23
73°
54°
24
75°
53°
25
81°
52°
26
73°
53°
27
71°
53°
28
73°
54°
29
75°
51°
30
76°
58°
31
76°
57°
1
74°
54°
2
79°
62°
3
83°
57°
4
83°
54°
5
78°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mountain Lake
Mountain Lake's August 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 49° and 68°. The average high for August is 80° 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 Mountain Lake. See also: September | October | November.
