Dover Heights Weather Forecast
- 17
- 29
Becoming windy. Mostly sunny
- 15
- 18
Showers
- 14
- 18
Cloudy
- 13
- 20
Cloud clearing
- 13
- 24
Sunny
- 16
- 28
Sunny
- 18
- 28
Shower or two
Today 26 Sep Sydney
Partly cloudy. Slight chance of a shower in the late afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Winds northwest to southwesterly 15 to 20 km/h tending southeast to southwesterly 15 to 25 km/h in the late afternoon then tending southerly 25 to 35 km/h in the evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Northerly below 10 knots, becoming north to northeasterly 10 to 15 knots in the afternoon. Winds then shifting southerly 15 to 25 knots in the evening before increasing to 20 to 30 knots in the late evening. Squalls possible with the wind change.
- Seas
- Below 0.5 metres.
- Weather
- Mostly sunny day. The chance of a thunderstorm in the late afternoon and evening.
- Weather Situation
- A high pressure system over the Tasman Sea directs a north to northeasterly flow through the Sydney Waters. A cold front and trough will enter the Tasman Sea during the weekend, bringing a southerly change that will pass through the Sydney Waters on Saturday night. A high pressure centre will then move across Tasmania early next week, with winds over the NSW coast tending southeasterly in response.
Dover Heights Temperature Statistics View More
September Temperature
Sydney (Observatory Hill) (7km)
Lowest 18 September, 2026
9.4 °CAverage September
17.7 °CHighest 21 September, 2026
32.7 °C
Climate (2021–2026)
Sydney (Observatory Hill) (7km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
18.5 °CAverage High 2021–2026
23.6 °C