Mandalay Beach Weather Forecast
- 12
- 23
Late showers
- 11
- 17
Showers easing
- 9
- 20
Partly cloudy
- 12
- 19
Showers
- 12
- 20
Shower or two
- 11
- 21
Partly cloudy
- 11
- 21
Partly cloudy
Today 20 Apr South West
Partly cloudy. Very high chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds in the west. Winds northerly 15 to 25 km/h tending northwesterly 25 to 40 km/h in the morning then tending westerly 25 to 35 km/h in the late evening. Daytime maximum temperatures in the low 20s.
Leeuwin Coastal Waters
Cape Naturaliste to Walpole- Wind
- Northwesterly 20 to 30 knots, reaching up to 35 knots during the afternoon and evening. Winds tending westerly 25 to 30 knots in the evening.
- Seas
- 1 to 2 metres, increasing to 2.5 to 3 metres around midday.
- 1st Swell
- Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
- Weather
- Partly cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening.
- Weather Situation
- A ridge across southeastern WA continues moving east. A trough developing over the Gascoyne extends into the eastern South West Land Division today ahead of a strong cold front later night. Following a brief ridge over southern WA later Tuesday into Wednesday, a second moderate cold front will move across the southwest on Thursday.
Mandalay Beach Temperature Statistics View More
April Temperature
North Walpole (18km)
Lowest 11 April, 2026
8.8 °CAverage April
15.8 °CHighest 3 April, 2026
25.4 °C
Climate (2021–Present)
North Walpole (18km)
Average Low 2021–2026
11.9 °CAverage 2021–2026
15.4 °CAverage High 2021–2026
20.6 °C