Entrance Island Weather Forecast
- 16
- 24
Cloudy
- 16
- 28
Shower
- 13
- 23
Cloudy
- 13
- 23
Cloudy
- 13
- 24
Cloudy
- 15
- 25
Cloudy
- 14
- 30
Partly cloudy
Today 20 Dec Eastern Eyre Peninsula
Mostly sunny. Slight chance of a shower in the south this evening. Near zero chance of rain elsewhere. The chance of a thunderstorm near the coast this evening. Winds south to southeasterly 25 to 35 km/h. Daytime maximum temperatures 26 to 36.
Spencer Gulf Coastal Waters
- Wind
- Southerly 15 to 20 knots, reaching up to 25 knots north of Cowell to Wallaroo in the late afternoon. Winds turning east to southeasterly 10 to 15 knots in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo around midday.
- 1st Swell
- South to southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
- Weather
- Partly cloudy. The chance of a thunderstorm north of Cowell to Wallaroo this evening.
- Weather Situation
- A broad trough of low pressure lies over east and northern parts of the State. This area of low pressure is expected to linger over the northeast today before moving east Sunday with the next low pressure system that develops south of the bight. A high pressure ridge then extends over the west and south during Sunday, and throughout by Monday. A persistent high pressure ridge remains over the State and Coastal Waters during Tuesday and Wednesday.
Entrance Island Temperature Statistics View More
December Temperature
Cleve Aerodrome (43km)
Lowest 2 December, 2025
7.4 °CAverage December
20.7 °CHighest 18 December, 2025
42.6 °C
Climate (2020–Present)
Cleve Aerodrome (43km)
Average Low 2020–2025
11.4 °CAverage 2020–2025
16.1 °CAverage High 2020–2025
22.4 °C