S
M
T
W
T
F
S
26
68°
54°
27
69°
54°
28
69°
53°
29
67°
53°
30
68°
54°
31
67°
54°
1
69°
53°
2
71°
54°
3
70°
54°
4
68°
52°
5
71°
53°
6
69°
52°
7
69°
52°
8
66°
50°
9
65°
50°
10
66°
54°
11
66°
54°
12
69°
53°
13
69°
53°
14
65°
49°
15
67°
51°
16
72°
47°
17
69°
50°
18
71°
53°
19
70°
52°
20
71°
53°
21
70°
51°
22
70°
49°
23
67°
46°
24
68°
45°
25
64°
47°
26
65°
47°
27
65°
48°
28
64°
48°
29
65°
46°
30
65°
46°
31
64°
43°
1
63°
45°
2
62°
44°
3
62°
44°
4
63°
43°
5
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Bernard's
St. Bernard's's August 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 43° and 54°. The average high for August is 67° with an average low of 50°. 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 St. Bernard's. See also: September | October | November.