S
M
T
W
T
F
S
26
51°
34°
27
52°
34°
28
52°
32°
29
62°
33°
30
62°
37°
1
63°
39°
2
64°
34°
3
55°
35°
4
64°
39°
5
65°
40°
6
65°
39°
7
55°
38°
8
55°
40°
9
57°
40°
10
59°
41°
11
60°
33°
12
54°
32°
13
57°
33°
14
64°
36°
15
66°
40°
16
62°
40°
17
58°
41°
18
59°
39°
19
61°
36°
20
68°
44°
21
69°
44°
22
71°
46°
23
70°
44°
24
60°
38°
25
67°
45°
26
65°
43°
27
65°
46°
28
71°
45°
29
70°
44°
30
69°
44°
31
70°
45°
1
67°
46°
2
69°
46°
3
71°
45°
4
73°
47°
5
72°
46°
6
64°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in High River
High River's May 2026 forecast shows daily high temperatures ranging from 51° to 73°, with overnight lows between 32° and 47°. The average high for May is 63° 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 High River. See also: June | July | August.
