Binalong Bay Weather Forecast
- 12
- 21
Rain increasing
- 12
- 22
Possible early shower
- 12
- 21
Possible shower
- 11
- 21
Partly cloudy
- 9
- 19
Partly cloudy
- 8
- 20
Partly cloudy
- 9
- 20
Partly cloudy
Today 21 Dec St Helens
Cloudy. Very high chance of rain, most likely in the late afternoon and evening. Light winds.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Variable about 10 knots becoming northeast to southeasterly 10 to 15 knots in the early afternoon then tending southwesterly in the late evening. Winds reaching up to 30 knots offshore in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Cloudy. 90% chance of rain. The chance of a thunderstorm in the late afternoon and evening.
- Weather Situation
- A broad low pressure system south of Tasmania will clear to the southeast this morning before a second, more intense, low pressure system is forecast to move across Bass Strait this evening and clear to the east tomorrow morning. A ridge of high pressure is expected to extend across the southern mainland, forecast to direct a westerly flow over Tasmania from tomorrow. Cold fronts embedded in the flow are expected to cross Tasmania late tomorrow and again Wednesday.
Binalong Bay Temperature Statistics View More
December Temperature
St Helens Aerodrome (9km)
Lowest 2 December, 2025
6.6 °CAverage December
16 °CHighest 17 December, 2025
29.5 °C
Climate (2020–Present)
St Helens Aerodrome (9km)
Average Low 2020–2025
9.3 °CAverage 2020–2025
13.3 °CAverage High 2020–2025
18.2 °C