S
M
T
W
T
F
S
26
56°
31°
27
61°
32°
28
63°
37°
29
63°
38°
30
65°
39°
1
66°
40°
2
66°
41°
3
64°
40°
4
62°
40°
5
66°
41°
6
62°
34°
7
55°
32°
8
55°
32°
9
61°
34°
10
65°
42°
11
63°
35°
12
66°
42°
13
68°
43°
14
68°
43°
15
63°
36°
16
65°
39°
17
67°
42°
18
62°
42°
19
60°
42°
20
60°
41°
21
61°
40°
22
60°
36°
23
59°
37°
24
61°
41°
25
63°
42°
26
65°
45°
27
71°
46°
28
71°
47°
29
70°
40°
30
69°
44°
31
69°
46°
1
67°
46°
2
64°
45°
3
68°
47°
4
66°
46°
5
63°
43°
6
63°
44°
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 55° to 71°, with overnight lows between 31° and 47°. The average high for May is 64° 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.
