S
M
T
W
T
F
S
26
58°
30°
27
70°
30°
28
68°
57°
29
60°
48°
30
48°
40°
1
53°
29°
2
46°
34°
3
52°
37°
4
70°
46°
5
70°
45°
6
49°
43°
7
51°
38°
8
52°
34°
9
65°
38°
10
53°
42°
11
54°
29°
12
55°
29°
13
67°
46°
14
50°
44°
15
59°
47°
16
73°
56°
17
68°
50°
18
83°
68°
19
76°
57°
20
68°
48°
21
58°
42°
22
61°
47°
23
62°
46°
24
67°
52°
25
71°
55°
26
70°
56°
27
67°
49°
28
64°
48°
29
65°
52°
30
64°
52°
31
68°
49°
1
63°
46°
2
63°
47°
3
64°
45°
4
65°
47°
5
67°
54°
6
69°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Henderson Harbor
Henderson Harbor's May 2026 forecast shows daily high temperatures ranging from 50° to 83°, with overnight lows between 42° and 68°. The average high for May is 66° with an average low of 51°. 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 Henderson Harbor. See also: June | July | August.
