S
M
T
W
T
F
S
31
60°
30°
1
64°
39°
2
70°
42°
3
76°
47°
4
81°
50°
5
77°
59°
6
77°
52°
7
72°
46°
8
74°
49°
9
77°
54°
10
77°
54°
11
76°
54°
12
77°
51°
13
77°
52°
14
78°
48°
15
70°
44°
16
68°
44°
17
69°
46°
18
71°
46°
19
70°
47°
20
71°
46°
21
72°
46°
22
72°
49°
23
73°
49°
24
71°
54°
25
73°
49°
26
72°
48°
27
73°
55°
28
74°
54°
29
73°
52°
30
74°
50°
1
72°
50°
2
74°
52°
3
77°
55°
4
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Littleton
Littleton's June 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 39° and 59°. The average high for June is 74° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Littleton. See also: July | August | September.