Current sea water temperature:
+57.7°F
| Minimum sea water temperature in October: | 62.1°F |
| Maximum sea water temperature in October: | 51.1°F |
| Average sea water temperature in October: | 56.6°F |
| more information | |
14 days
forecast
forecast
| Sydney |
monthly
weather
weather
| Sydney |
Sea water temperature for the last 10 days:
| October 5 | 57.7°F | September 30 | 57.0°F |
| October 4 | 58.5°F | September 29 | 58.1°F |
| October 3 | 59.2°F | September 28 | 57.4°F |
| October 2 | 58.6°F | September 27 | 57.6°F |
| October 1 | 57.2°F | September 26 | 56.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Sydney?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sydney was noticed in August, September and July.
Monthly Sea Temperatures in Sydney, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 66.9°F. The highest and lowest sea temperatures during the month were 70.3°F and 63.7°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 61.7°F. The highest and lowest sea temperatures during the month were 68.5°F and 55.9°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 60.6°F. The highest and lowest sea temperatures during the month were 63.5°F and 53.6°F.
current
weather
weather
| Sydney |
weather in
October
October
| Sydney |
Best time for vacation in Sydney
Sydney on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Sydney
Local time: 17:10
October 05, monday
1800
57°F
NW
13 mph
13 mph
2100
57°F
NE
6 mph
6 mph
October 06, tuesday
0000
54°F
SE
12 mph
12 mph
0300
48°F
E
11 mph
11 mph
0600
48°F
NE
13 mph
13 mph
0900
48°F
NE
17 mph
17 mph
1200
46°F
NE
19 mph
19 mph
1500
52°F
NE
18 mph
18 mph
