Arthur River - Mouth Weather Forecast

    • 9
    • 15

    Showers. Windy

    • 10
    • 15

    Showers. Becoming windy

    • 6
    • 13

    Showers. Windy

    • 10
    • 14

    Showers. Windy

    • 7
    • 12

    Showers easing

    • 6
    • 14

    Shower or two

    • 10
    • 14

    Showers

Today 18 Sep North West Coast

Cloudy. Very high chance of showers. The chance of a thunderstorm in the west. Winds northwesterly 25 to 35 km/h.

Far Northwest Coastal Waters

Sandy Cape to Stanley including King Island
Wind
Northwesterly 15 to 20 knots, reaching up to 30 knots south of King Island in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of King Island.
1st Swell
Westerly 2 to 3 metres.
Weather
Cloudy. 60% chance of showers. The chance of a thunderstorm.
Weather Situation
A series of cold fronts, embedded in a westerly airstream, are expected to cross the state during coming days. The first of the fronts is expected early Thursday, ahead of a stronger front later Friday. Further fronts are expected during Saturday to Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Arthur River - Mouth Temperature Statistics View More

September Temperature

Marrawah (17km)

  • Lowest 6 September, 2025

    3.8 °C

  • Average September

    10.4 °C

  • Highest 15 September, 2025

    18.7 °C

Climate (2020–Present)

Marrawah (17km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    12.6 °C

  • Average High 2020–2025

    17.1 °C
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