S
M
T
W
T
F
S
26
84°
55°
27
86°
64°
28
79°
65°
29
82°
68°
30
80°
65°
31
87°
62°
1
88°
61°
2
84°
69°
3
85°
62°
4
86°
57°
5
81°
72°
6
86°
68°
7
87°
70°
8
86°
65°
9
88°
67°
10
90°
69°
11
86°
64°
12
83°
61°
13
79°
60°
14
81°
61°
15
77°
60°
16
79°
60°
17
78°
59°
18
81°
56°
19
81°
62°
20
82°
59°
21
80°
55°
22
80°
60°
23
84°
62°
24
85°
63°
25
84°
62°
26
83°
61°
27
77°
61°
28
77°
60°
29
80°
59°
30
81°
60°
31
81°
60°
1
80°
56°
2
74°
52°
3
73°
52°
4
73°
53°
5
74°
51°
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 73° to 90°, with overnight lows between 51° and 72°. The average high for August is 81° with an average low of 61°. 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.
