S
M
T
W
T
F
S
26
75°
56°
27
75°
54°
28
76°
58°
29
76°
58°
30
75°
56°
31
76°
54°
1
75°
53°
2
73°
52°
3
74°
54°
4
76°
57°
5
77°
58°
6
76°
58°
7
76°
56°
8
75°
55°
9
76°
58°
10
77°
57°
11
77°
57°
12
76°
58°
13
77°
57°
14
77°
58°
15
76°
57°
16
76°
57°
17
76°
56°
18
77°
55°
19
76°
51°
20
71°
51°
21
71°
50°
22
72°
49°
23
71°
52°
24
70°
50°
25
70°
50°
26
71°
53°
27
70°
55°
28
70°
50°
29
69°
51°
30
70°
50°
31
69°
49°
1
70°
50°
2
72°
52°
3
72°
53°
4
71°
49°
5
70°
48°
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 69° to 77°, with overnight lows between 48° and 58°. The average high for August is 74° 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 Sissinghurst. See also: September | October | November.