S
M
T
W
T
F
S
26
70°
32°
27
59°
43°
28
55°
40°
29
67°
36°
30
77°
39°
1
76°
43°
2
76°
45°
3
81°
47°
4
76°
47°
5
66°
47°
6
58°
47°
7
64°
45°
8
64°
42°
9
69°
40°
10
64°
42°
11
72°
42°
12
81°
53°
13
64°
49°
14
61°
43°
15
52°
41°
16
56°
37°
17
62°
34°
18
67°
42°
19
63°
46°
20
68°
45°
21
76°
41°
22
79°
43°
23
67°
48°
24
71°
46°
25
59°
45°
26
64°
47°
27
73°
51°
28
78°
53°
29
63°
47°
30
63°
45°
31
66°
47°
1
76°
49°
2
79°
54°
3
73°
53°
4
73°
51°
5
71°
52°
6
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bangor
Bangor's May 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 45° and 54°. The average high for May is 70° with an average low of 50°. 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 Bangor. See also: June | July | August.
