S
M
T
W
T
F
S
26
63°
46°
27
64°
44°
28
62°
45°
29
64°
46°
30
65°
49°
31
64°
45°
1
62°
48°
2
66°
46°
3
65°
45°
4
66°
45°
5
63°
46°
6
63°
46°
7
64°
48°
8
63°
50°
9
64°
47°
10
63°
45°
11
64°
46°
12
67°
47°
13
68°
47°
14
69°
51°
15
69°
52°
16
68°
52°
17
65°
51°
18
69°
47°
19
69°
47°
20
68°
46°
21
66°
49°
22
67°
51°
23
70°
50°
24
69°
48°
25
66°
47°
26
66°
48°
27
67°
49°
28
67°
49°
29
69°
50°
30
71°
49°
31
70°
48°
1
66°
49°
2
Hist. Avg.
65°
49°
3
Hist. Avg.
65°
49°
4
Hist. Avg.
65°
49°
5
Hist. Avg.
65°
49°
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 62° to 71°, with overnight lows between 44° and 52°. The average high for August is 66° with an average low of 48°. 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.
