S
M
T
W
T
F
S
26
60°
34°
27
65°
34°
28
52°
40°
29
48°
42°
30
47°
43°
1
62°
38°
2
51°
37°
3
55°
40°
4
71°
39°
5
68°
47°
6
59°
51°
7
63°
43°
8
59°
36°
9
56°
36°
10
61°
47°
11
61°
42°
12
59°
37°
13
52°
36°
14
61°
47°
15
60°
48°
16
75°
49°
17
84°
61°
18
67°
46°
19
91°
69°
20
87°
48°
21
64°
38°
22
65°
43°
23
63°
47°
24
61°
44°
25
69°
48°
26
70°
47°
27
68°
47°
28
71°
50°
29
72°
52°
30
72°
52°
31
73°
48°
1
71°
51°
2
66°
50°
3
66°
50°
4
65°
52°
5
67°
53°
6
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sebago Lake
Sebago Lake's May 2026 forecast shows daily high temperatures ranging from 61° to 91°, with overnight lows between 38° and 69°. The average high for May is 70° with an average low of 49°. 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 Sebago Lake. See also: June | July | August.
