Johnstons Bay Weather Forecast
- 20
- 32
Clear
- 15
- 21
Partly cloudy
- 14
- 23
Mostly sunny
- 15
- 27
Possible shower developing
- 12
- 23
Sunny
- 13
- 29
Mostly sunny
- 17
- 26
Cloudy
Today 8 Nov Sydney
Mostly clear. Slight chance of a shower, becoming less likely later this evening. The chance of a thunderstorm early this evening, possibly severe with damaging winds and large hail. Winds west to northwesterly 25 to 30 km/h turning southwesterly 20 to 25 km/h in the evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- North to northwesterly 10 to 15 knots shifting southwesterly in the late evening.
- Seas
- Below 0.5 metres.
- Weather
- Mostly clear. The chance of a thunderstorm early this evening.
- Weather Situation
- North to northeasterly winds are freshening ahead of a cold front and its associated trough that will move across Sydney Waters late today, bringing a fresh and gusty south to southwesterly wind change in its wake. Winds will briefly turn east to northeasterly early next week as another high pressure ridge drifts across the state, then the next cold front will move across Sydney Waters on Tuesday next week, with another southerly wind change after its passage.
Johnstons Bay Temperature Statistics View More
November Temperature
Sydney (Observatory Hill) (1km)
Lowest 6 November, 2025
13.6 °CAverage November
19.8 °CHighest 5 November, 2025
27.1 °C
Climate (2020–Present)
Sydney (Observatory Hill) (1km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
18.3 °CAverage High 2020–2025
23.4 °C