S
M
T
W
T
F
S
26
48°
29°
27
49°
30°
28
49°
32°
29
50°
32°
30
52°
31°
1
52°
31°
2
51°
33°
3
52°
32°
4
60°
40°
5
63°
32°
6
53°
32°
7
53°
34°
8
62°
43°
9
66°
42°
10
65°
38°
11
56°
34°
12
55°
34°
13
64°
40°
14
64°
41°
15
58°
43°
16
58°
45°
17
62°
45°
18
66°
37°
19
66°
41°
20
67°
39°
21
65°
42°
22
66°
40°
23
62°
42°
24
62°
40°
25
66°
42°
26
69°
43°
27
70°
43°
28
64°
42°
29
64°
45°
30
72°
48°
31
62°
46°
1
65°
47°
2
68°
49°
3
66°
48°
4
69°
46°
5
72°
50°
6
72°
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 48° to 72°, with overnight lows between 29° and 50°. The average high for May is 61° with an average low of 40°. 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.
