Diamantina Island Weather Forecast
- 18
- 28
Mostly clear
- 19
- 28
Partly cloudy
- 20
- 28
Sunny
- 19
- 28
Partly cloudy
- 19
- 28
Partly cloudy
- 19
- 28
Partly cloudy
- 20
- 28
Possible shower
Today 28 Apr Gladstone
Partly cloudy. Slight chance of a shower in the afternoon. The chance of a thunderstorm in the afternoon. Winds southeasterly 20 to 30 km/h becoming light in the evening then becoming southeasterly 15 to 20 km/h in the late evening.
Capricornia Coastal Waters
St Lawrence to Burnett Heads- Wind
- Southeasterly 20 to 25 knots, reaching up to 30 knots offshore north of Cape Capricorn in the late morning.
- Seas
- 2 to 2.5 metres.
- 1st Swell
- East to southeasterly below 1 metre inshore, increasing to 1 to 2 metres offshore.
- Weather
- Partly cloudy. 60% chance of showers. The chance of a thunderstorm in the late morning and afternoon.
- Weather Situation
- A firm ridge extends over the south Queensland waters from a near-stationary high [1029 hPa] in the Tasman Sea and will persist for several days. A trough will form offshore from Wednesday, creating a squeeze with the ridge and increasing winds.
Diamantina Island Temperature Statistics View More
April Temperature
Gladstone Radar (5km)
Lowest 25 April, 2026
16.2 °CAverage April
23.6 °CHighest 12 April, 2026
33 °C
Climate (2021–Present)
Gladstone Radar (5km)
Average Low 2021–2026
19.2 °CAverage 2021–2026
22.8 °CAverage High 2021–2026
28.5 °C