S
M
T
W
T
F
S
26
51°
40°
27
54°
39°
28
54°
39°
29
55°
40°
30
56°
39°
1
55°
40°
2
57°
39°
3
54°
36°
4
55°
40°
5
57°
36°
6
57°
38°
7
58°
41°
8
58°
41°
9
59°
42°
10
60°
44°
11
59°
41°
12
59°
40°
13
60°
45°
14
60°
47°
15
63°
47°
16
61°
46°
17
63°
47°
18
64°
49°
19
70°
48°
20
66°
46°
21
62°
44°
22
61°
47°
23
66°
49°
24
65°
50°
25
71°
47°
26
69°
44°
27
64°
49°
28
64°
48°
29
65°
47°
30
65°
44°
31
66°
51°
1
72°
45°
2
73°
48°
3
67°
48°
4
72°
49°
5
69°
50°
6
74°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Acadia National Park
Acadia National Park's May 2026 forecast shows daily high temperatures ranging from 51° to 74°, with overnight lows between 36° and 51°. The average high for May is 62° with an average low of 44°. 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 Acadia National Park. See also: June | July | August.
