S
M
T
W
T
F
S
26
64°
57°
27
64°
57°
28
72°
59°
29
64°
50°
30
63°
50°
31
63°
46°
1
63°
52°
2
64°
48°
3
N/A
4
67°
56°
5
62°
50°
6
62°
51°
7
64°
53°
8
62°
52°
9
61°
50°
10
62°
49°
11
66°
54°
12
68°
55°
13
67°
54°
14
66°
55°
15
66°
56°
16
67°
54°
17
63°
53°
18
61°
49°
19
60°
48°
20
60°
48°
21
61°
47°
22
60°
48°
23
60°
48°
24
62°
53°
25
63°
52°
26
61°
52°
27
60°
50°
28
62°
52°
29
65°
51°
30
64°
52°
31
63°
52°
1
61°
49°
2
59°
48°
3
59°
47°
4
60°
48°
5
59°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Sinclairston
Sinclairston's August 2026 forecast shows daily high temperatures ranging from 59° to 68°, with overnight lows between 47° and 56°. The average high for August is 63° with an average low of 51°. 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 Sinclairston. See also: September | October | November.
