S
M
T
W
T
F
S
26
68°
32°
27
66°
36°
28
67°
30°
29
53°
37°
30
59°
42°
1
58°
40°
2
57°
34°
3
47°
40°
4
61°
36°
5
78°
48°
6
64°
49°
7
62°
37°
8
56°
35°
9
59°
42°
10
60°
45°
11
58°
41°
12
59°
38°
13
61°
40°
14
59°
42°
15
61°
41°
16
62°
40°
17
63°
41°
18
61°
40°
19
68°
44°
20
67°
45°
21
67°
45°
22
68°
46°
23
67°
45°
24
68°
45°
25
63°
44°
26
62°
44°
27
62°
47°
28
65°
44°
29
63°
43°
30
63°
43°
31
67°
48°
1
64°
44°
2
66°
42°
3
67°
49°
4
71°
48°
5
65°
45°
6
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fredericton
Fredericton's May 2026 forecast shows daily high temperatures ranging from 56° to 78°, with overnight lows between 35° and 50°. The average high for May is 64° 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 Fredericton. See also: June | July | August.
