S
M
T
W
T
F
S
26
52°
37°
27
52°
36°
28
61°
36°
29
57°
41°
30
46°
37°
1
61°
34°
2
70°
39°
3
73°
50°
4
72°
46°
5
46°
32°
6
39°
32°
7
68°
43°
8
70°
43°
9
75°
48°
10
68°
46°
11
88°
46°
12
77°
57°
13
90°
62°
14
87°
53°
15
84°
56°
16
76°
49°
17
70°
43°
18
53°
37°
19
58°
42°
20
65°
46°
21
70°
49°
22
81°
56°
23
79°
55°
24
83°
55°
25
81°
54°
26
77°
48°
27
71°
51°
28
72°
46°
29
71°
44°
30
75°
48°
31
79°
54°
1
73°
54°
2
82°
53°
3
84°
55°
4
86°
56°
5
86°
56°
6
84°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Northglenn
Northglenn's May 2026 forecast shows daily high temperatures ranging from 53° to 90°, with overnight lows between 37° and 62°. The average high for May is 77° with an average low of 51°. 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 Northglenn. See also: June | July | August.
