Measurements:
°C
°F
CURRENT WEATHER
08:07
Sydney
74°F
SE 11 mph
Feels like: 74°F
Precip: 2%
World Resorts Australia Sydney Weather

7 Day Weather Forecast

10.12
mon
DAY
80°F
SW 5 mph
precip
3%
NIGHT
68°F
N 11 mph
precip
75%
10.13
tue
DAY
68°F
N 15 mph
precip
23%
NIGHT
62°F
N 27 mph
precip
27%
10.14
wed
DAY
62°F
N 22 mph
precip
7%
NIGHT
64°F
NW 12 mph
precip
13%
10.15
thu
DAY
64°F
NW 11 mph
precip
28%
NIGHT
64°F
W 13 mph
precip
17%
10.16
fri
DAY
66°F
W 16 mph
precip
14%
NIGHT
64°F
W 13 mph
precip
28%
10.17
sat
DAY
66°F
W 13 mph
precip
12%
NIGHT
64°F
W 13 mph
precip
11%
10.18
sun
DAY
66°F
W 11 mph
precip
11%
NIGHT
66°F
SW 16 mph
precip
36%

Sydney Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Sydney was 19.6°F. The maximum and minimum values were 19.0°F and 20.4°F respectively.

Sydney on the Weather Map

Best Time to Visit Sydney
The most sunny months:
July 19 days
August 18 days
September 18 days
The most warm months:
January 81.2 °F
February 80.6 °F
March 79.0 °F
Warmest sea temperature:
February 76.8 °F
March 76.3 °F
January 75.8 °F
The most cold months:
July 63.0 °F
June 63.4 °F
August 64.6 °F
The most rainy months:
June 4 days
March 4 days
November 3 days
The most windy months:
January 11 mph
December 11 mph
September 11 mph
more details