S
M
T
W
T
F
S
26
29°
17°
27
46°
17°
28
55°
24°
29
60°
25°
30
70°
30°
1
68°
35°
2
70°
40°
3
69°
42°
4
55°
27°
5
53°
26°
6
71°
42°
7
70°
35°
8
71°
42°
9
62°
37°
10
68°
39°
11
68°
38°
12
63°
35°
13
60°
35°
14
67°
38°
15
61°
38°
16
62°
37°
17
75°
49°
18
63°
43°
19
59°
42°
20
58°
41°
21
64°
44°
22
67°
45°
23
68°
46°
24
68°
45°
25
69°
46°
26
66°
46°
27
61°
45°
28
66°
45°
29
68°
46°
30
70°
47°
31
72°
48°
1
73°
50°
2
72°
49°
3
72°
49°
4
70°
48°
5
67°
48°
6
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Three Hills
Three Hills's May 2026 forecast shows daily high temperatures ranging from 53° to 75°, with overnight lows between 26° and 50°. The average high for May is 66° with an average low of 42°. 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 Three Hills. See also: June | July | August.