S
M
T
W
T
F
S
26
75°
57°
27
74°
58°
28
75°
59°
29
75°
59°
30
76°
58°
31
77°
60°
1
78°
59°
2
75°
58°
3
69°
57°
4
74°
58°
5
73°
57°
6
74°
58°
7
74°
57°
8
69°
54°
9
72°
56°
10
72°
57°
11
70°
52°
12
71°
52°
13
70°
53°
14
69°
52°
15
69°
52°
16
70°
56°
17
71°
55°
18
73°
56°
19
73°
56°
20
72°
51°
21
69°
54°
22
72°
55°
23
73°
56°
24
72°
51°
25
70°
52°
26
69°
51°
27
68°
55°
28
68°
55°
29
72°
56°
30
72°
54°
31
71°
55°
1
71°
55°
2
70°
54°
3
71°
53°
4
70°
50°
5
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sibsey
Sibsey's August 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 49° and 60°. The average high for August is 72° with an average low of 55°. 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 Sibsey. See also: September | October | November.