S
M
T
W
T
F
S
26
65°
39°
27
71°
33°
28
68°
36°
29
66°
39°
30
53°
43°
1
58°
39°
2
53°
36°
3
52°
31°
4
68°
42°
5
79°
47°
6
64°
45°
7
55°
40°
8
52°
34°
9
52°
34°
10
65°
47°
11
56°
39°
12
58°
34°
13
57°
38°
14
55°
47°
15
65°
43°
16
78°
57°
17
83°
49°
18
84°
64°
19
90°
69°
20
88°
51°
21
70°
46°
22
69°
50°
23
72°
53°
24
75°
57°
25
73°
56°
26
77°
59°
27
78°
60°
28
79°
53°
29
71°
53°
30
72°
58°
31
78°
55°
1
72°
54°
2
72°
52°
3
71°
51°
4
72°
51°
5
74°
58°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Philmont
Philmont's May 2026 forecast shows daily high temperatures ranging from 65° to 90°, with overnight lows between 43° and 69°. The average high for May is 76° 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 Philmont. See also: June | July | August.