North West Arm Entrance Weather Forecast

    • 22
    • 34

    Possible shower

    • 24
    • 29

    Shower or two

    • 20
    • 28

    Becoming windy. Partly cloudy

    • 20
    • 28

    Partly cloudy

    • 19
    • 22

    Shower or two

    • 17
    • 22

    Partly cloudy

    • 17
    • 24

    Mostly sunny

Today 21 Dec Sydney

Partly cloudy. Medium chance of showers, most likely in the evening. The chance of a thunderstorm in the afternoon and early evening. Winds northwest to northeasterly 15 to 25 km/h tending southeast to southwesterly 15 to 20 km/h in the evening then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northwest to northeasterly 10 to 15 knots tending east to northeasterly in the middle of the day then tending north to northeasterly 15 to 20 knots in the early afternoon. Winds reaching up to 30 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1.5 to 2.5 metres during the afternoon.
1st Swell
Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and early evening.
Weather Situation
A high in the Tasman Sea is directing northerly winds over central and northern Coastal Waters while a weak coastal trough brings southerly winds to the remainder. A cold front will bring a fresh to strong southerly change to the southern half on Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

North West Arm Entrance Temperature Statistics View More

December Temperature

Sydney Airport (14km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    23.1 °C

  • Highest 19 December, 2025

    42.6 °C

Climate (2020–Present)

Sydney Airport (14km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
Get WillyWeather+ to remove ads