S
M
T
W
T
F
S
26
30°
19°
27
32°
22°
28
37°
27°
29
38°
28°
30
46°
26°
1
54°
33°
2
57°
35°
3
57°
36°
4
42°
29°
5
40°
28°
6
47°
25°
7
56°
29°
8
52°
31°
9
54°
28°
10
62°
29°
11
61°
42°
12
72°
40°
13
80°
42°
14
69°
45°
15
45°
28°
16
40°
27°
17
41°
31°
18
51°
31°
19
59°
37°
20
60°
38°
21
62°
39°
22
65°
44°
23
67°
47°
24
66°
44°
25
65°
46°
26
66°
47°
27
68°
48°
28
70°
47°
29
68°
48°
30
66°
42°
31
66°
47°
1
61°
47°
2
70°
48°
3
71°
49°
4
70°
48°
5
61°
46°
6
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Melfort
Melfort's May 2026 forecast shows daily high temperatures ranging from 41° to 71°, with overnight lows between 31° and 49°. The average high for May is 63° 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 Melfort. See also: June | July | August.