S
M
T
W
T
F
S
26
76°
53°
27
73°
53°
28
73°
52°
29
72°
52°
30
67°
49°
31
68°
52°
1
73°
52°
2
67°
50°
3
74°
52°
4
73°
51°
5
66°
51°
6
66°
48°
7
69°
51°
8
74°
52°
9
75°
51°
10
70°
50°
11
67°
46°
12
65°
47°
13
65°
46°
14
67°
50°
15
73°
51°
16
72°
51°
17
64°
43°
18
70°
44°
19
72°
44°
20
73°
47°
21
74°
50°
22
73°
47°
23
66°
39°
24
64°
43°
25
66°
48°
26
66°
47°
27
71°
42°
28
62°
48°
29
70°
46°
30
65°
46°
31
63°
38°
1
61°
43°
2
68°
45°
3
70°
45°
4
70°
38°
5
60°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cynthia
Cynthia's August 2026 forecast shows daily high temperatures ranging from 60° to 76°, with overnight lows between 38° and 53°. The average high for August is 69° with an average low of 47°. 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 Cynthia. See also: September | October | November.