Grassy Island Weather Forecast
- 23
- 32
Partly cloudy
- 24
- 32
Partly cloudy
- 23
- 32
Partly cloudy
- 24
- 32
Partly cloudy
- 25
- 33
Partly cloudy
- 24
- 33
Sunny
- 24
- 34
Partly cloudy
Today 19 Nov Central Coast and Whitsundays
Partly cloudy. Medium chance of showers, most likely in the late morning and afternoon. The chance of a thunderstorm during this afternoon and evening. Light winds becoming east to northeasterly 15 to 25 km/h in the morning then becoming light in the late evening. Daytime maximum temperatures 29 to 35.
Mackay Costal Waters
Bowen to St Lawrence- Wind
- Easterly 10 to 15 knots decreasing to about 10 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Easterly below 1 metre.
- Weather
- Mostly sunny. The chance of a thunderstorm inshore this afternoon.
- Weather Situation
- A weak trough over the Peninsula waters will contract northward and weakening later this week. A weak ridge will extend over the North Queensland waters to the south of trough from Wednesday, before extending northward throughout the northern waters from Friday.
Grassy Island Temperature Statistics View More
November Temperature
Proserpine Airport (39km)
Lowest 8 November, 2025
18.2 °CAverage November
26.3 °CHighest 2 November, 2025
35.4 °C
Climate (2020–Present)
Proserpine Airport (39km)
Average Low 2020–2025
18.1 °CAverage 2020–2025
22.9 °CAverage High 2020–2025
29.2 °C