Johnsons Bay Weather Forecast
- 13
- 16
Shower
- 12
- 21
Shower
- 8
- 13
Shower
- 8
- 15
Cloudy
- 7
- 16
Partly cloudy
- 9
- 18
Shower
- 12
- 20
Shower
Today 19 Sep Western
Partly cloudy. High chance of showers, most likely in the morning. Damaging winds possible about higher ground. Winds northwesterly 35 to 55 km/h tending westerly 25 to 40 km/h before dawn then turning northerly 15 to 25 km/h in the evening. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching between 12 and 16.
Central West Coastal Waters
Low Rocky Point to Sandy Cape- Wind
- Westerly 15 to 25 knots, reaching up to 30 knots offshore early in the morning. Winds turning north to northwesterly 15 to 20 knots in the evening.
- Seas
- 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
- 1st Swell
- Westerly 4 to 5 metres, tending southwesterly 4 metres later in the evening.
- Weather
- Partly cloudy.
Johnsons Bay Temperature Statistics View More
September Temperature
Luncheon Hill (Forestry) (46km)
Lowest 16 September, 2026
2.3 °CAverage September
8.5 °CHighest 12 September, 2026
20.1 °C
Climate (2021–2026)
Luncheon Hill (Forestry) (46km)
Average Low 2021–2026
7.7 °CAverage 2021–2026
10.9 °CAverage High 2021–2026
16.3 °C