S
M
T
W
T
F
S
26
59°
39°
27
71°
36°
28
55°
49°
29
54°
42°
30
45°
35°
1
42°
31°
2
42°
30°
3
55°
30°
4
71°
42°
5
68°
50°
6
50°
40°
7
50°
33°
8
52°
32°
9
59°
44°
10
56°
39°
11
50°
32°
12
61°
32°
13
61°
39°
14
44°
39°
15
64°
40°
16
72°
43°
17
82°
54°
18
87°
56°
19
82°
64°
20
66°
46°
21
58°
42°
22
62°
44°
23
47°
44°
24
67°
54°
25
75°
54°
26
80°
56°
27
77°
51°
28
73°
45°
29
69°
46°
30
64°
49°
31
67°
50°
1
73°
56°
2
72°
56°
3
71°
55°
4
70°
49°
5
76°
54°
6
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Machias
Machias's May 2026 forecast shows daily high temperatures ranging from 47° to 80°, with overnight lows between 44° and 56°. The average high for May is 70° with an average low of 51°. 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 Machias. See also: June | July | August.
