S
M
T
W
T
F
S
26
66°
47°
27
64°
48°
28
64°
46°
29
65°
47°
30
66°
48°
1
67°
49°
2
64°
46°
3
61°
48°
4
63°
46°
5
63°
44°
6
66°
45°
7
67°
48°
8
60°
44°
9
58°
42°
10
59°
41°
11
59°
41°
12
63°
46°
13
68°
47°
14
61°
44°
15
59°
43°
16
59°
43°
17
61°
44°
18
69°
49°
19
68°
48°
20
65°
51°
21
64°
52°
22
63°
51°
23
62°
50°
24
61°
48°
25
62°
45°
26
64°
45°
27
68°
49°
28
69°
51°
29
70°
52°
30
67°
49°
31
70°
50°
1
68°
53°
2
64°
50°
3
72°
52°
4
74°
51°
5
65°
50°
6
68°
48°
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 58° to 74°, with overnight lows between 41° and 53°. The average high for May is 65° with an average low of 47°. 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.
