S
M
T
W
T
F
S
26
41°
27°
27
46°
31°
28
54°
32°
29
57°
35°
30
54°
35°
1
64°
38°
2
73°
43°
3
63°
40°
4
60°
39°
5
69°
42°
6
67°
41°
7
66°
42°
8
76°
48°
9
66°
40°
10
69°
42°
11
62°
34°
12
58°
37°
13
59°
33°
14
62°
37°
15
70°
44°
16
71°
45°
17
73°
46°
18
71°
45°
19
73°
46°
20
73°
47°
21
72°
47°
22
73°
46°
23
70°
46°
24
73°
47°
25
74°
48°
26
76°
49°
27
77°
50°
28
77°
51°
29
76°
50°
30
76°
50°
31
77°
49°
1
77°
51°
2
76°
50°
3
71°
50°
4
75°
49°
5
72°
49°
6
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Arapahoe
Arapahoe's May 2026 forecast shows daily high temperatures ranging from 41° to 77°, with overnight lows between 27° and 51°. The average high for May is 68° with an average low of 43°. 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 Arapahoe. See also: June | July | August.
