S
M
T
W
T
F
S
26
43°
28°
27
55°
28°
28
51°
27°
29
46°
34°
30
44°
36°
1
49°
39°
2
51°
39°
3
46°
38°
4
57°
36°
5
72°
43°
6
71°
53°
7
60°
46°
8
51°
38°
9
56°
36°
10
62°
46°
11
59°
47°
12
48°
38°
13
56°
38°
14
65°
44°
15
48°
41°
16
69°
41°
17
74°
42°
18
53°
40°
19
68°
40°
20
86°
46°
21
51°
34°
22
52°
34°
23
49°
35°
24
65°
35°
25
62°
46°
26
64°
41°
27
47°
40°
28
44°
38°
29
49°
40°
30
51°
35°
31
48°
40°
1
53°
41°
2
58°
42°
3
63°
46°
4
65°
47°
5
63°
48°
6
64°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Indian Harbour Lake
Indian Harbour Lake's May 2026 forecast shows daily high temperatures ranging from 44° to 65°, with overnight lows between 35° and 48°. The average high for May is 56° with an average low of 42°. 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 Indian Harbour Lake. See also: June | July | August.