S
M
T
W
T
F
S
26
59°
38°
27
70°
32°
28
65°
36°
29
63°
41°
30
56°
42°
1
63°
34°
2
58°
45°
3
57°
36°
4
70°
34°
5
78°
50°
6
67°
54°
7
61°
39°
8
58°
41°
9
61°
46°
10
69°
50°
11
60°
44°
12
64°
38°
13
67°
47°
14
65°
50°
15
64°
48°
16
77°
43°
17
87°
55°
18
88°
57°
19
93°
63°
20
86°
53°
21
63°
44°
22
66°
49°
23
56°
46°
24
57°
50°
25
65°
54°
26
72°
55°
27
71°
54°
28
70°
53°
29
70°
54°
30
71°
56°
31
75°
59°
1
76°
53°
2
66°
52°
3
64°
52°
4
65°
56°
5
70°
54°
6
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lake Carmel
Lake Carmel's May 2026 forecast shows daily high temperatures ranging from 56° to 86°, with overnight lows between 44° and 59°. The average high for May is 69° with an average low of 53°. 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 Lake Carmel. See also: June | July | August.