Newport Beach Weather Forecast

    • 17
    • 25

    Partly cloudy

    • 17
    • 29

    Mostly sunny

    • 15
    • 17

    Showers

    • 14
    • 18

    Possible shower

    • 14
    • 19

    Partly cloudy

    • 13
    • 23

    Sunny

    • 15
    • 26

    Sunny

Today 25 Sep Sydney

Partly cloudy. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the west. Winds northeasterly 15 to 25 km/h becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northeasterly 15 to 20 knots tending northerly 10 to 15 knots in the evening then decreasing to below 10 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Mostly clear. The chance of a thunderstorm early this 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.
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Newport Beach Temperature Statistics View More

September Temperature

Terrey Hills (10km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    16.4 °C

  • Highest 21 September, 2026

    32 °C

Climate (2021–2026)

Terrey Hills (10km)

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  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    22 °C
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