S
M
T
W
T
F
S
26
60°
34°
27
65°
34°
28
52°
40°
29
48°
42°
30
47°
43°
1
62°
39°
2
53°
43°
3
53°
38°
4
65°
48°
5
66°
54°
6
58°
49°
7
56°
39°
8
52°
38°
9
56°
42°
10
52°
42°
11
56°
41°
12
57°
41°
13
54°
44°
14
57°
42°
15
58°
45°
16
57°
43°
17
57°
41°
18
58°
47°
19
58°
47°
20
59°
46°
21
61°
48°
22
66°
44°
23
57°
45°
24
59°
48°
25
62°
45°
26
60°
47°
27
60°
46°
28
59°
47°
29
61°
50°
30
63°
49°
31
61°
47°
1
62°
45°
2
61°
44°
3
62°
46°
4
62°
46°
5
61°
45°
6
62°
48°
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 66°, with overnight lows between 38° and 54°. The average high for May is 59° with an average low of 45°. 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.
