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