S
M
T
W
T
F
S
26
63°
32°
27
61°
33°
28
61°
27°
29
48°
38°
30
53°
38°
1
54°
41°
2
58°
36°
3
48°
33°
4
56°
37°
5
56°
38°
6
55°
46°
7
60°
40°
8
55°
31°
9
57°
29°
10
55°
45°
11
62°
46°
12
56°
37°
13
56°
36°
14
66°
44°
15
66°
38°
16
72°
38°
17
79°
46°
18
66°
44°
19
N/A
20
74°
43°
21
59°
35°
22
60°
36°
23
63°
38°
24
65°
41°
25
61°
46°
26
61°
47°
27
66°
46°
28
68°
45°
29
72°
43°
30
69°
45°
31
66°
44°
1
68°
45°
2
69°
54°
3
61°
47°
4
67°
48°
5
67°
48°
6
66°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in East Saint John
East Saint John's May 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 35° and 54°. The average high for May is 66° 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 East Saint John. See also: June | July | August.
