Observation Island Weather Forecast
- 28
- 29
Clear
- 28
- 29
Partly cloudy
- 28
- 29
Sunny
- 28
- 29
Partly cloudy
- 28
- 29
Shower
- 28
- 29
Shower
- 28
- 29
Partly cloudy
Today 24 Oct Kakadu National Park
Partly cloudy. Medium chance of showers south of Arnhem Highway, slight chance elsewhere. The chance of a thunderstorm. Winds northwesterly 15 to 20 km/h becoming light in the late afternoon.
Roper Groote Coast
Cape Arnhem to QLD-NT Border- Wind
- North to northeasterly 10 to 15 knots, reaching up to 20 knots inshore during the afternoon and evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres west of Groote Eylandt by early evening.
- 1st Swell
- Below 0.5 metres.
- Weather
- Clear.
- Weather Situation
- A weak ridge across the Gulf of Carpentaria is contracting east as a broad trough extends across the Territory from the west. A new ridge will begin forming to the east from Monday.
Observation Island Temperature Statistics View More
October Temperature
Centre Island (17 km)
Lowest 3 October, 2026
22.7 °CAverage October
28.2 °CHighest 15 October, 2026
34.2 °C
Climate (2021–2026)
Centre Island (17 km)
Average Low 2021–2026
24.5 °CAverage 2021–2026
27.4 °CAverage High 2021–2026
31.5 °C