S
M
T
W
T
F
S
26
81°
53°
27
78°
52°
28
77°
53°
29
76°
53°
30
75°
51°
31
76°
55°
1
75°
53°
2
75°
52°
3
76°
52°
4
76°
56°
5
74°
54°
6
74°
56°
7
75°
55°
8
75°
53°
9
76°
52°
10
76°
55°
11
78°
54°
12
74°
55°
13
75°
52°
14
77°
55°
15
79°
49°
16
73°
47°
17
73°
47°
18
72°
46°
19
72°
47°
20
73°
48°
21
73°
47°
22
72°
48°
23
73°
48°
24
73°
51°
25
74°
51°
26
72°
53°
27
72°
51°
28
70°
52°
29
73°
51°
30
80°
48°
31
81°
50°
1
80°
49°
2
79°
51°
3
79°
51°
4
80°
50°
5
79°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Littleton
Littleton's August 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 46° and 56°. The average high for August is 76° 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 August weather will actually feel in Littleton. See also: September | October | November.