S
M
T
W
T
F
S
29
55°
22°
30
71°
38°
31
78°
58°
1
79°
46°
2
47°
40°
3
62°
40°
4
74°
43°
5
56°
42°
6
53°
38°
7
50°
29°
8
53°
25°
9
59°
26°
10
72°
36°
11
60°
41°
12
63°
33°
13
79°
47°
14
85°
52°
15
87°
55°
16
88°
60°
17
78°
58°
18
72°
50°
19
50°
33°
20
49°
31°
21
53°
26°
22
57°
42°
23
74°
38°
24
72°
45°
25
44°
39°
26
58°
36°
27
67°
41°
28
66°
43°
29
61°
49°
30
59°
40°
1
57°
41°
2
56°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lake Hopatcong
Lake Hopatcong's April 2026 forecast shows daily high temperatures ranging from 44° to 67°, with overnight lows between 36° and 49°. The average high for April is 59° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Lake Hopatcong. See also: May | June | July.
