Johnsons Bay Weather Forecast
- 7
- 19
Shower
- 13
- 18
Shower
- 12
- 17
Rain
- 9
- 16
Partly cloudy
- 6
- 16
Partly cloudy
- 8
- 17
Partly cloudy
- 9
- 17
Shower
Today 29 Sep Western
Cloudy. The chance of fog about higher ground in the early morning. Areas of morning frost. Medium chance of showers, most likely in the afternoon and evening. Winds northeasterly 20 to 30 km/h turning northerly 25 to 40 km/h during the day. Overnight temperatures falling to between minus 1 and 4 above zero with daytime temperatures reaching between 16 and 21.
Central West Coastal Waters
Low Rocky Point to Sandy Cape- Wind
- East to northeasterly 10 to 15 knots turning northerly 15 to 25 knots early in the morning. Winds reaching up to 30 knots during the afternoon and evening.
- Seas
- Below 1 metre, increasing to 1 to 2 metres during the morning, then increasing to 2 to 3 metres during the afternoon.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Cloudy. 70% chance of showers.
Johnsons Bay Temperature Statistics View More
September Temperature
Luncheon Hill (Forestry) (46km)
Lowest 27 September, 2026
0.9 °CAverage September
8.7 °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