S
M
T
W
T
F
S
26
63°
45°
27
55°
43°
28
55°
39°
29
52°
34°
30
50°
32°
1
52°
34°
2
63°
30°
3
70°
46°
4
63°
41°
5
50°
34°
6
43°
28°
7
55°
28°
8
70°
36°
9
59°
37°
10
57°
34°
11
64°
34°
12
70°
50°
13
68°
43°
14
77°
43°
15
86°
54°
16
77°
46°
17
68°
52°
18
66°
52°
19
54°
41°
20
59°
34°
21
63°
39°
22
66°
53°
23
71°
48°
24
79°
57°
25
86°
62°
26
89°
61°
27
88°
61°
28
84°
62°
29
83°
60°
30
82°
62°
31
82°
61°
1
84°
62°
2
80°
60°
3
78°
61°
4
79°
58°
5
73°
52°
6
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Houlton
Houlton's May 2026 forecast shows daily high temperatures ranging from 66° to 89°, with overnight lows between 48° and 62°. The average high for May is 80° with an average low of 59°. 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 Houlton. See also: June | July | August.
