S
M
T
W
T
F
S
26
57°
44°
27
55°
41°
28
55°
42°
29
56°
43°
30
58°
44°
1
58°
42°
2
60°
42°
3
58°
40°
4
57°
39°
5
57°
39°
6
59°
40°
7
60°
44°
8
64°
45°
9
62°
45°
10
61°
43°
11
61°
40°
12
59°
41°
13
58°
42°
14
59°
41°
15
61°
42°
16
62°
43°
17
63°
46°
18
63°
44°
19
64°
43°
20
63°
44°
21
65°
47°
22
64°
47°
23
66°
53°
24
70°
55°
25
74°
53°
26
73°
52°
27
73°
55°
28
75°
56°
29
77°
53°
30
77°
48°
31
68°
49°
1
67°
48°
2
69°
49°
3
71°
55°
4
76°
56°
5
75°
56°
6
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hopatcong
Hopatcong's May 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 39° and 56°. The average high for May is 64° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Hopatcong. See also: June | July | August.
