Old Man Rocks Weather Forecast
- 10
- 14
Rain
- 7
- 17
Partly cloudy
- 7
- 18
Partly cloudy
- 6
- 18
Partly cloudy
- 8
- 15
Shower or two
- 7
- 13
Possible shower
- 5
- 14
Partly cloudy
Today 22 Oct St Helens
Cloudy. Very high chance of rain, becoming less likely later tonight. The chance of a thunderstorm during the morning and afternoon. Light winds becoming south to southeasterly 15 to 20 km/h in the late afternoon then tending south to southwesterly 20 to 30 km/h in the evening.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Northwest to northeasterly 10 to 15 knots tending west to northwesterly 15 to 25 knots in the early afternoon then tending west to southwesterly 20 to 30 knots in the evening. Winds reaching up to 40 knots in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the afternoon, then increasing to 2 to 2.5 metres by early evening.
- 1st Swell
- Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Cloudy. 95% chance of rain. The chance of a thunderstorm during the morning and afternoon.
- Weather Situation
- A low pressure system to the southwest of Victoria is forecast to move through Bass Strait and over Tasmania today, with a southwesterly airstream to follow during the evening. The airstream shifts west to southwesterly on Thursday and persists into Friday, as a ridge of high pressure sits over the southern mainland.
Old Man Rocks Temperature Statistics View More
October Temperature
St Helens Aerodrome (12km)
Lowest 4 October, 2025
4.4 °CAverage October
13 °CHighest 16 October, 2025
24.3 °C
Climate (2020–Present)
St Helens Aerodrome (12km)
Average Low 2020–2025
9.4 °CAverage 2020–2025
13.4 °CAverage High 2020–2025
18.2 °C