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°
38°
8
60°
35°
9
55°
46°
10
64°
47°
11
52°
43°
12
55°
38°
13
57°
42°
14
56°
43°
15
59°
47°
16
64°
48°
17
61°
45°
18
62°
48°
19
63°
46°
20
61°
44°
21
57°
43°
22
58°
42°
23
58°
44°
24
60°
48°
25
62°
49°
26
67°
50°
27
66°
45°
28
61°
43°
29
61°
47°
30
63°
48°
31
69°
51°
1
69°
52°
2
63°
51°
3
65°
51°
4
70°
52°
5
68°
53°
6
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saco
Saco's May 2026 forecast shows daily high temperatures ranging from 52° to 71°, with overnight lows between 35° and 53°. The average high for May is 62° with an average low of 46°. 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 Saco. See also: June | July | August.
