S
M
T
W
T
F
S
26
76°
57°
27
77°
57°
28
76°
56°
29
75°
58°
30
77°
57°
31
79°
57°
1
80°
56°
2
79°
58°
3
80°
58°
4
77°
57°
5
76°
57°
6
79°
56°
7
75°
55°
8
76°
56°
9
73°
57°
10
73°
57°
11
75°
54°
12
73°
52°
13
75°
56°
14
75°
57°
15
74°
56°
16
78°
56°
17
78°
55°
18
77°
56°
19
78°
57°
20
74°
56°
21
76°
56°
22
72°
55°
23
72°
55°
24
78°
49°
25
71°
54°
26
76°
47°
27
74°
45°
28
69°
44°
29
70°
45°
30
69°
45°
31
68°
43°
1
69°
46°
2
70°
50°
3
72°
48°
4
72°
51°
5
66°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sussex
Sussex's August 2026 forecast shows daily high temperatures ranging from 66° to 80°, with overnight lows between 43° and 58°. The average high for August is 75° 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 Sussex. See also: September | October | November.
