S
M
T
W
T
F
S
26
59°
39°
27
63°
41°
28
52°
39°
29
55°
34°
30
59°
34°
1
61°
34°
2
61°
46°
3
48°
45°
4
59°
41°
5
52°
39°
6
54°
37°
7
57°
43°
8
59°
45°
9
52°
37°
10
57°
34°
11
54°
37°
12
57°
45°
13
52°
39°
14
52°
39°
15
52°
34°
16
55°
32°
17
55°
41°
18
55°
43°
19
59°
48°
20
58°
50°
21
62°
53°
22
63°
51°
23
66°
50°
24
69°
53°
25
72°
51°
26
71°
50°
27
71°
52°
28
67°
49°
29
68°
48°
30
61°
46°
31
60°
45°
1
62°
46°
2
57°
43°
3
55°
47°
4
57°
44°
5
58°
47°
6
57°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Carstairs Junction
Carstairs Junction's May 2026 forecast shows daily high temperatures ranging from 55° to 72°, with overnight lows between 43° and 53°. The average high for May is 63° with an average low of 48°. 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 Carstairs Junction. See also: June | July | August.