S
M
T
W
T
F
S
26
43°
30°
27
43°
25°
28
45°
27°
29
48°
25°
30
46°
30°
1
59°
27°
2
63°
33°
3
66°
39°
4
58°
35°
5
48°
28°
6
58°
38°
7
66°
35°
8
65°
39°
9
61°
38°
10
60°
36°
11
67°
40°
12
67°
40°
13
66°
39°
14
67°
40°
15
62°
30°
16
66°
36°
17
65°
35°
18
67°
32°
19
57°
27°
20
59°
29°
21
66°
32°
22
69°
39°
23
69°
38°
24
61°
36°
25
68°
36°
26
70°
39°
27
70°
38°
28
60°
36°
29
59°
35°
30
61°
33°
31
65°
36°
1
68°
38°
2
71°
37°
3
72°
40°
4
72°
40°
5
73°
39°
6
74°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Frontier
Frontier's May 2026 forecast shows daily high temperatures ranging from 48° to 74°, with overnight lows between 27° and 41°. The average high for May is 65° with an average low of 36°. 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 Frontier. See also: June | July | August.
