S
M
T
W
T
F
S
26
75°
61°
27
77°
57°
28
82°
61°
29
90°
61°
30
79°
61°
31
N/A
1
69°
49°
2
72°
51°
3
77°
54°
4
72°
56°
5
71°
52°
6
75°
58°
7
74°
57°
8
72°
55°
9
75°
56°
10
77°
58°
11
77°
58°
12
78°
60°
13
77°
59°
14
76°
57°
15
74°
57°
16
73°
56°
17
73°
56°
18
71°
55°
19
69°
51°
20
68°
51°
21
67°
50°
22
68°
50°
23
69°
51°
24
72°
56°
25
73°
56°
26
73°
55°
27
72°
54°
28
73°
54°
29
72°
55°
30
73°
54°
31
73°
54°
1
72°
53°
2
69°
50°
3
66°
49°
4
66°
49°
5
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Steeple Morden
Steeple Morden's August 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 48° and 60°. The average high for August is 72° with an average low of 54°. 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 Steeple Morden. See also: September | October | November.