River Tamar - Supply Bay Weather Forecast
- 7
- 15
Shower or two
- 6
- 15
Showers
- 8
- 14
Shower or two
- 6
- 15
Partly cloudy
- 3
- 14
Shower or two
- 6
- 15
Showers
- 9
- 15
Shower or two
Today 25 Sep Central North
Partly cloudy. High chance of showers. Winds westerly 20 to 30 km/h turning northwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures between 12 and 15.
Central North Coastal Waters
Stanley to Flinders Island- Wind
- Westerly 15 to 25 knots, reaching up to 30 knots in the late morning and afternoon. Winds decreasing to 10 to 15 knots in the late evening.
- Seas
- 2 to 3 metres, decreasing to 1.5 metres later in the evening.
- 1st Swell
- Westerly 1.5 to 2.5 metres.
- Weather
- Partly cloudy. 90% chance of showers.
- Weather Situation
- A high pressure ridge builds over South Australia and New South Wales behind a cold front that crossed the state overnight. A warm front moves over the state early Friday, followed by another cold front expected to cross during Saturday. A ridge builds over the state on Sunday.
River Tamar - Supply Bay Temperature Statistics View More
September Temperature
Launceston (Ti Tree Bend) (22km)
Lowest 5 September, 2025
-0.4 °CAverage September
10.4 °CHighest 15 September, 2025
19.2 °C
Climate (2020–Present)
Launceston (Ti Tree Bend) (22km)
Average Low 2020–2025
7.8 °CAverage 2020–2025
13.2 °CAverage High 2020–2025
19.3 °C