S
M
T
W
T
F
S
26
87°
72°
27
85°
70°
28
84°
75°
29
84°
71°
30
87°
73°
1
87°
71°
2
95°
75°
3
81°
71°
4
80°
72°
5
84°
73°
6
88°
77°
7
89°
74°
8
90°
74°
9
91°
76°
10
90°
80°
11
90°
80°
12
90°
74°
13
90°
76°
14
93°
75°
15
90°
72°
16
87°
75°
17
86°
79°
18
87°
79°
19
87°
79°
20
88°
79°
21
87°
78°
22
89°
78°
23
88°
78°
24
90°
77°
25
89°
79°
26
90°
76°
27
88°
77°
28
90°
77°
29
89°
75°
30
89°
76°
31
90°
75°
1
89°
76°
2
88°
77°
3
89°
77°
4
89°
76°
5
88°
78°
6
89°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harbor Beach
Harbor Beach's May 2026 forecast shows daily high temperatures ranging from 87° to 90°, with overnight lows between 75° and 79°. The average high for May is 89° with an average low of 77°. 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 Beach. See also: June | July | August.
