S
M
T
W
T
F
S
26
84°
54°
27
86°
64°
28
81°
63°
29
81°
66°
30
79°
66°
31
86°
61°
1
88°
63°
2
86°
68°
3
86°
64°
4
86°
62°
5
80°
73°
6
89°
72°
7
89°
72°
8
89°
70°
9
91°
67°
10
92°
69°
11
88°
67°
12
83°
66°
13
81°
63°
14
81°
62°
15
82°
61°
16
79°
62°
17
78°
61°
18
84°
59°
19
83°
65°
20
85°
62°
21
82°
59°
22
81°
63°
23
86°
66°
24
87°
66°
25
87°
65°
26
85°
64°
27
79°
64°
28
79°
65°
29
83°
63°
30
84°
64°
31
84°
64°
1
83°
59°
2
77°
56°
3
76°
56°
4
76°
55°
5
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mountain Lakes
Mountain Lakes's August 2026 forecast shows daily high temperatures ranging from 76° to 92°, with overnight lows between 55° and 73°. The average high for August is 83° with an average low of 64°. 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 Lakes. See also: September | October | November.