S
M
T
W
T
F
S
26
58°
31°
27
70°
36°
28
59°
49°
29
57°
44°
30
52°
37°
1
49°
32°
2
46°
36°
3
56°
31°
4
63°
46°
5
64°
44°
6
51°
40°
7
54°
37°
8
53°
37°
9
62°
33°
10
58°
41°
11
54°
36°
12
54°
33°
13
61°
43°
14
51°
43°
15
66°
42°
16
67°
46°
17
75°
54°
18
72°
59°
19
73°
51°
20
61°
40°
21
54°
37°
22
56°
48°
23
57°
50°
24
60°
49°
25
64°
52°
26
66°
51°
27
67°
51°
28
68°
51°
29
66°
52°
30
67°
54°
31
69°
48°
1
64°
53°
2
64°
54°
3
65°
54°
4
64°
53°
5
63°
54°
6
66°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Campbellford
Campbellford's May 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 37° and 59°. The average high for May is 64° with an average low of 51°. 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 Campbellford. See also: June | July | August.