S
M
T
W
T
F
S
26
70°
63°
27
70°
61°
28
81°
61°
29
73°
63°
30
72°
63°
31
72°
61°
1
N/A
2
77°
63°
3
80°
62°
4
77°
63°
5
73°
60°
6
71°
58°
7
74°
60°
8
74°
62°
9
72°
61°
10
74°
62°
11
75°
61°
12
74°
61°
13
73°
62°
14
70°
64°
15
68°
63°
16
67°
62°
17
65°
63°
18
64°
62°
19
63°
62°
20
63°
61°
21
64°
62°
22
63°
60°
23
63°
62°
24
67°
62°
25
68°
63°
26
66°
62°
27
66°
62°
28
67°
61°
29
67°
63°
30
68°
62°
31
68°
62°
1
66°
61°
2
64°
60°
3
64°
59°
4
62°
61°
5
64°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Saint Helier
Saint Helier's August 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 58° and 64°. The average high for August is 69° with an average low of 62°. 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 Helier. See also: September | October | November.
