Johnsons Bay Weather Forecast
- 13
- 18
Rain
- 12
- 17
Shower
- 8
- 16
Partly cloudy
- 7
- 16
Partly cloudy
- 8
- 16
Partly cloudy
- 8
- 15
Shower
- 9
- 15
Shower
Today 30 Sep Western
Cloudy. Very high chance of showers. Winds north to northwesterly 35 to 50 km/h decreasing to 20 to 30 km/h in the evening. Daytime maximum temperatures between 15 and 18.
Central West Coastal Waters
Low Rocky Point to Sandy Cape- Wind
- Northerly 20 to 25 knots, reaching up to 30 knots early in the morning. Winds turning northwesterly 15 to 20 knots during the morning.
- Seas
- 2 to 3 metres, decreasing to 1 to 2 metres during the morning.
- 1st Swell
- Southwesterly 2.5 metres.
- Weather
- Cloudy. 90% chance of showers.
- Weather Situation
- Northerly flow builds over Tasmania today ahead of an approaching trough, forecast to cross Wednesday morning. A broad trough is forecast to cross the state during the day Thursday and then a cold front in the evening. A ridge of high pressure is then expected to approach Tasmania from the west during Friday, concurrently with a trough deepening over Victoria. The trough is forecast to move to the east of Tasmania on Saturday.
Johnsons Bay Temperature Statistics View More
September Temperature
Luncheon Hill (Forestry) (46km)
Lowest 27 September, 2026
0.9 °CAverage September
8.8 °CHighest 20 September, 2026
20.6 °C
Climate (2021–2026)
Luncheon Hill (Forestry) (46km)
Average Low 2021–2026
7.8 °CAverage 2021–2026
11 °CAverage High 2021–2026
16.4 °C