S
M
T
W
T
F
S
26
61°
38°
27
67°
32°
28
62°
34°
29
59°
45°
30
54°
45°
1
63°
43°
2
57°
46°
3
54°
37°
4
73°
53°
5
83°
51°
6
73°
49°
7
65°
41°
8
61°
43°
9
60°
49°
10
74°
53°
11
60°
42°
12
62°
41°
13
60°
48°
14
65°
47°
15
68°
49°
16
66°
47°
17
65°
46°
18
64°
47°
19
69°
46°
20
64°
43°
21
65°
44°
22
65°
44°
23
66°
45°
24
67°
50°
25
71°
52°
26
74°
52°
27
72°
48°
28
68°
45°
29
67°
46°
30
70°
49°
31
76°
54°
1
75°
54°
2
73°
52°
3
74°
54°
4
77°
55°
5
78°
56°
6
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Littleton
Littleton's May 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 41° and 56°. The average high for May is 68° with an average low of 48°. 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 Littleton. See also: June | July | August.
