S
M
T
W
T
F
S
26
79°
58°
27
80°
58°
28
80°
59°
29
81°
59°
30
80°
60°
31
81°
63°
1
85°
64°
2
85°
64°
3
86°
65°
4
86°
64°
5
85°
58°
6
79°
58°
7
77°
57°
8
78°
58°
9
79°
58°
10
79°
59°
11
81°
61°
12
82°
62°
13
83°
63°
14
84°
64°
15
83°
64°
16
85°
63°
17
84°
63°
18
81°
60°
19
80°
59°
20
77°
59°
21
77°
62°
22
78°
62°
23
77°
58°
24
80°
58°
25
80°
62°
26
82°
56°
27
81°
56°
28
78°
60°
29
75°
61°
30
81°
60°
31
81°
60°
1
82°
59°
2
82°
60°
3
80°
58°
4
81°
54°
5
74°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lake Hopatcong
Lake Hopatcong's August 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 52° and 65°. The average high for August is 81° 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 Lake Hopatcong. See also: September | October | November.
