S
M
T
W
T
F
S
26
62°
45°
27
67°
45°
28
60°
45°
29
54°
43°
30
54°
36°
1
48°
34°
2
49°
27°
3
61°
34°
4
74°
44°
5
57°
46°
6
55°
39°
7
56°
37°
8
63°
35°
9
68°
48°
10
61°
40°
11
60°
37°
12
62°
31°
13
59°
40°
14
64°
41°
15
69°
36°
16
79°
53°
17
83°
60°
18
82°
66°
19
81°
51°
20
62°
42°
21
63°
44°
22
61°
54°
23
69°
56°
24
73°
57°
25
73°
55°
26
77°
57°
27
75°
56°
28
75°
55°
29
74°
54°
30
77°
53°
31
78°
63°
1
74°
57°
2
76°
56°
3
70°
55°
4
69°
53°
5
70°
54°
6
74°
59°
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 61° to 82°, with overnight lows between 42° and 66°. The average high for May is 73° with an average low of 55°. 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.
