S
M
T
W
T
F
S
26
73°
56°
27
72°
56°
28
73°
59°
29
70°
58°
30
69°
56°
31
68°
54°
1
69°
54°
2
68°
52°
3
70°
54°
4
72°
58°
5
73°
58°
6
72°
57°
7
68°
56°
8
69°
54°
9
70°
58°
10
71°
55°
11
73°
58°
12
73°
58°
13
72°
57°
14
73°
58°
15
73°
58°
16
72°
57°
17
72°
57°
18
72°
54°
19
68°
51°
20
67°
51°
21
67°
50°
22
68°
51°
23
67°
54°
24
66°
51°
25
66°
52°
26
67°
55°
27
66°
56°
28
66°
51°
29
67°
52°
30
66°
51°
31
65°
50°
1
68°
51°
2
69°
54°
3
69°
55°
4
68°
50°
5
68°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shrivenham
Shrivenham's August 2026 forecast shows daily high temperatures ranging from 65° to 73°, with overnight lows between 49° and 59°. The average high for August is 69° 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 Shrivenham. See also: September | October | November.