S
M
T
W
T
F
S
26
61°
44°
27
60°
43°
28
63°
43°
29
64°
46°
30
64°
48°
1
57°
48°
2
57°
47°
3
58°
48°
4
62°
44°
5
66°
49°
6
58°
48°
7
63°
49°
8
59°
44°
9
65°
46°
10
58°
43°
11
58°
44°
12
59°
42°
13
61°
43°
14
62°
47°
15
60°
44°
16
59°
45°
17
59°
43°
18
61°
43°
19
65°
45°
20
69°
50°
21
71°
52°
22
70°
49°
23
61°
45°
24
61°
45°
25
61°
44°
26
64°
47°
27
71°
49°
28
72°
54°
29
73°
55°
30
74°
53°
31
71°
46°
1
71°
45°
2
72°
52°
3
73°
54°
4
74°
46°
5
72°
50°
6
74°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harbor Heights
Harbor Heights's May 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 42° and 55°. The average high for May is 65° with an average low of 47°. 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 Harbor Heights. See also: June | July | August.
