Mornington Island Weather Forecast
- 25
- 35
Partly cloudy
- 26
- 34
Shower
- 25
- 35
Shower
- 26
- 35
Storm
- 26
- 35
Shower
- 26
- 34
Shower
- 25
- 34
Shower
Today 10 Dec Gulf Country
Mostly clear. Slight chance of a shower near the Northern Territory border, near zero chance elsewhere. The chance of a thunderstorm. Winds northeast to southeasterly 15 to 20 km/h tending northwest to northeasterly in the late evening.
South East Gulf of Carpentaria
- Wind
- Northeast to southeasterly 10 to 15 knots tending northwest to southwesterly in the late afternoon. Winds reaching up to 20 knots inshore in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Below 0.5 metres.
- Weather
- Mostly clear. The chance of a thunderstorm.
- Weather Situation
- A high over the Tasman Sea extends a weak ridge over the Gulf waters. The ridge will be maintained as a new high south of the Bight moves eastwards during the next few days.
Mornington Island Temperature Statistics View More
December Temperature
Sweers Island (69km)
Lowest 2 December, 2025
19 °CAverage December
30.6 °CHighest 1 December, 2025
34.2 °C
Climate (2020–Present)
Sweers Island (69km)
Average Low 2020–2025
23.4 °CAverage 2020–2025
26.7 °CAverage High 2020–2025
30.3 °C