S
M
T
W
T
F
S
26
70°
59°
27
75°
57°
28
81°
64°
29
84°
63°
30
73°
59°
31
73°
48°
1
73°
52°
2
77°
54°
3
82°
59°
4
82°
61°
5
73°
57°
6
68°
54°
7
73°
50°
8
79°
52°
9
82°
61°
10
75°
55°
11
81°
54°
12
92°
63°
13
98°
64°
14
82°
56°
15
75°
52°
16
73°
54°
17
72°
55°
18
72°
57°
19
72°
54°
20
70°
53°
21
72°
52°
22
69°
52°
23
69°
53°
24
70°
54°
25
69°
51°
26
65°
51°
27
64°
49°
28
65°
50°
29
68°
54°
30
66°
50°
31
66°
54°
1
67°
51°
2
64°
49°
3
65°
48°
4
68°
54°
5
69°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Castle Donington
Castle Donington's August 2026 forecast shows daily high temperatures ranging from 64° to 98°, with overnight lows between 48° and 64°. The average high for August is 71° with an average low of 53°. 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 Castle Donington. See also: September | October | November.