S
M
T
W
T
F
S
26
79°
58°
27
78°
58°
28
79°
59°
29
78°
59°
30
78°
58°
31
80°
60°
1
80°
59°
2
79°
58°
3
76°
58°
4
77°
59°
5
78°
58°
6
77°
58°
7
77°
57°
8
76°
54°
9
75°
58°
10
74°
57°
11
75°
52°
12
75°
52°
13
74°
53°
14
72°
52°
15
72°
51°
16
73°
55°
17
73°
55°
18
76°
54°
19
76°
56°
20
75°
54°
21
73°
54°
22
75°
55°
23
76°
56°
24
75°
53°
25
73°
52°
26
72°
51°
27
71°
55°
28
70°
55°
29
75°
54°
30
75°
55°
31
74°
55°
1
74°
54°
2
73°
54°
3
74°
52°
4
73°
49°
5
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sissinghurst
Sissinghurst's August 2026 forecast shows daily high temperatures ranging from 68° to 80°, with overnight lows between 49° and 60°. The average high for August is 75° with an average low of 55°. 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 Sissinghurst. See also: September | October | November.