S
M
T
W
T
F
S
26
61°
48°
27
68°
45°
28
71°
38°
29
71°
49°
30
70°
52°
1
66°
41°
2
55°
45°
3
63°
43°
4
78°
41°
5
82°
54°
6
73°
59°
7
64°
46°
8
69°
42°
9
72°
51°
10
82°
57°
11
64°
44°
12
71°
37°
13
78°
44°
14
68°
50°
15
74°
46°
16
86°
51°
17
92°
62°
18
94°
67°
19
92°
67°
20
91°
66°
21
88°
60°
22
63°
55°
23
66°
62°
24
77°
68°
25
79°
68°
26
80°
69°
27
83°
67°
28
85°
64°
29
81°
60°
30
78°
57°
31
74°
58°
1
75°
58°
2
78°
58°
3
79°
61°
4
77°
63°
5
82°
62°
6
78°
58°
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 66° to 85°, with overnight lows between 57° and 69°. The average high for May is 78° with an average low of 62°. 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.
