S
M
T
W
T
F
S
26
40°
18°
27
44°
22°
28
47°
17°
29
49°
20°
30
N/A
1
69°
39°
2
62°
33°
3
68°
37°
4
47°
28°
5
49°
28°
6
55°
32°
7
68°
38°
8
62°
36°
9
59°
36°
10
60°
38°
11
63°
41°
12
62°
39°
13
64°
38°
14
59°
35°
15
58°
38°
16
58°
43°
17
58°
41°
18
60°
39°
19
65°
44°
20
60°
40°
21
60°
41°
22
61°
40°
23
62°
45°
24
61°
39°
25
62°
42°
26
67°
45°
27
71°
48°
28
69°
49°
29
72°
41°
30
62°
42°
31
64°
50°
1
63°
50°
2
64°
49°
3
64°
49°
4
65°
48°
5
64°
50°
6
65°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Estevan
Estevan's May 2026 forecast shows daily high temperatures ranging from 47° to 72°, with overnight lows between 28° and 52°. The average high for May is 62° with an average low of 41°. 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 Estevan. See also: June | July | August.
