Observation Island Weather Forecast
- 28
- 29
Storm
- 28
- 29
Storm
- 28
- 29
Storm
- 28
- 30
Storm
- 29
- 32
Shower
- 29
- 31
Shower
- 29
- 31
Shower
Today 25 Dec Kakadu National Park
Cloudy. Medium chance of showers. A thunderstorm likely, possibly severe with heavy rain which may lead to flash flooding southeast of Kakadu Highway. Winds northwesterly 15 to 20 km/h.
Roper Groote Coast
Cape Arnhem to QLD-NT Border- Wind
- Northwesterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- Weather
- Cloudy. 50% chance of rain. A thunderstorm likely.
- Weather Situation
- The monsoon trough and an embedded monsoon low extend across the Northern Territory south of the Top End. The monsoon will strengthen over the Gulf of Carpentaria during the weekend as the monsoon low moves eastwards, inland of the southern Gulf of Carpentaria coast.
Observation Island Temperature Statistics View More
December Temperature
Centre Island (17km)
Lowest 22 December, 2025
23.7 °CAverage December
29.7 °CHighest 3 December, 2025
36.8 °C
Climate (2020–Present)
Centre Island (17km)
Average Low 2020–2025
24.5 °CAverage 2020–2025
27.4 °CAverage High 2020–2025
31.6 °C