S
M
T
W
T
F
S
26
50°
32°
27
52°
32°
28
55°
35°
29
52°
32°
30
51°
35°
1
51°
33°
2
52°
30°
3
57°
35°
4
63°
41°
5
64°
38°
6
57°
36°
7
61°
42°
8
67°
44°
9
67°
42°
10
66°
37°
11
56°
38°
12
57°
38°
13
57°
42°
14
58°
41°
15
64°
43°
16
68°
44°
17
65°
44°
18
66°
36°
19
64°
34°
20
60°
33°
21
59°
35°
22
58°
34°
23
59°
34°
24
60°
36°
25
64°
38°
26
66°
39°
27
68°
34°
28
62°
40°
29
63°
44°
30
64°
38°
31
63°
39°
1
62°
39°
2
65°
42°
3
64°
47°
4
71°
48°
5
71°
42°
6
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gooderham
Gooderham's May 2026 forecast shows daily high temperatures ranging from 50° to 71°, with overnight lows between 30° and 48°. The average high for May is 61° with an average low of 38°. 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 Gooderham. See also: June | July | August.