26.08
wed
wed
Day
81°F
W 7 mph
Precip.
1%
1%
Night
63°F
N 3 mph
Precip.
7%
7%
27.08
thu
thu
Day
81°F
W 9 mph
Precip.
1%
1%
Night
63°F
N 4 mph
Precip.
42%
42%
28.08
fri
fri
Day
79°F
W 9 mph
Precip.
11%
11%
Night
64°F
NW 4 mph
Precip.
49%
49%
29.08
sat
sat
Day
75°F
NW 11 mph
Precip.
1%
1%
Night
64°F
NW 7 mph
Precip.
33%
33%
30.08
sun
sun
Day
75°F
W 12 mph
Precip.
8%
8%
Night
63°F
NW 6 mph
Precip.
36%
36%
31.08
mon
mon
Day
73°F
NW 7 mph
Precip.
18%
18%
Night
59°F
N 4 mph
Precip.
26%
26%
01.09
tue
tue
Day
75°F
NW 8 mph
Precip.
5%
5%
Night
61°F
N 4 mph
Precip.
28%
28%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 71.8°F. The highest and lowest sea temperatures during the month were 73.6°F and 69.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.9°F. The highest and lowest sea temperatures during the month were 78.3°F and 75.6°F.
Air temperature in Cairns, °F
Precipitation total in Cairns, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cairns
Cairns on a weather map
Places in Australia:
Name
°F
24 Hours Forecast
Cairns
Local time: 08:49
August 26, wednesday
0900
73°F
NW
4 mph
4 mph
1200
81°F
W
7 mph
7 mph
1500
81°F
W
7 mph
7 mph
1800
70°F
W
3 mph
3 mph
2100
63°F
N
3 mph
3 mph
August 27, thursday
0000
63°F
N
3 mph
3 mph
0300
61°F
N
4 mph
4 mph
0600
61°F
N
4 mph
4 mph
