S
M
T
W
T
F
S
26
83°
72°
27
82°
73°
28
83°
74°
29
84°
74°
30
83°
75°
31
84°
74°
1
83°
73°
2
84°
74°
3
84°
73°
4
83°
71°
5
84°
72°
6
84°
72°
7
83°
71°
8
84°
72°
9
81°
72°
10
82°
73°
11
82°
71°
12
81°
71°
13
82°
72°
14
81°
71°
15
82°
72°
16
83°
71°
17
83°
72°
18
82°
72°
19
83°
71°
20
83°
71°
21
82°
72°
22
82°
71°
23
81°
73°
24
83°
72°
25
83°
71°
26
82°
71°
27
81°
72°
28
82°
71°
29
81°
70°
30
81°
69°
31
80°
70°
1
82°
71°
2
82°
72°
3
82°
70°
4
Hist. Avg.
81°
68°
5
Hist. Avg.
81°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sisses
Sisses's August 2026 forecast shows daily high temperatures ranging from 80° to 84°, with overnight lows between 69° and 75°. The average high for August is 82° with an average low of 72°. 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 Sisses. See also: September | October | November.