S
M
T
W
T
F
S
26
78°
50°
27
65°
51°
28
71°
56°
29
74°
54°
30
67°
54°
31
66°
58°
1
73°
60°
2
75°
55°
3
80°
55°
4
81°
64°
5
81°
60°
6
79°
56°
7
81°
56°
8
77°
61°
9
69°
63°
10
73°
54°
11
75°
54°
12
76°
55°
13
81°
55°
14
72°
56°
15
74°
53°
16
71°
58°
17
75°
61°
18
72°
61°
19
68°
59°
20
80°
60°
21
77°
56°
22
74°
56°
23
75°
61°
24
74°
59°
25
76°
57°
26
79°
59°
27
73°
56°
28
74°
57°
29
73°
44°
30
69°
57°
31
67°
55°
1
66°
52°
2
66°
54°
3
68°
53°
4
67°
56°
5
68°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sydney
Sydney's August 2026 forecast shows daily high temperatures ranging from 66° to 80°, with overnight lows between 44° and 61°. The average high for August is 72° with an average low of 56°. 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 Sydney. See also: September | October | November.
