S
M
T
W
T
F
S
26
79°
63°
27
81°
63°
28
83°
64°
29
80°
64°
30
81°
63°
31
76°
60°
1
77°
59°
2
76°
61°
3
78°
62°
4
79°
62°
5
79°
61°
6
83°
63°
7
83°
64°
8
84°
63°
9
83°
62°
10
83°
63°
11
84°
63°
12
84°
64°
13
83°
64°
14
82°
54°
15
75°
60°
16
75°
53°
17
78°
54°
18
79°
53°
19
78°
50°
20
73°
50°
21
74°
53°
22
74°
53°
23
75°
51°
24
75°
59°
25
76°
59°
26
77°
57°
27
81°
51°
28
80°
50°
29
72°
50°
30
71°
51°
31
71°
50°
1
72°
49°
2
71°
53°
3
73°
48°
4
71°
50°
5
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Siren
Siren's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 48° and 64°. The average high for August is 78° with an average low of 57°. 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 Siren. See also: September | October | November.
