Longreach Bay Weather Forecast
- 15
- 19
Mostly sunny
- 15
- 19
Morning shower or two
- 14
- 19
Partly cloudy
- 13
- 18
Shower or two. Windy
- 11
- 17
Shower or two. Wind easing
- 12
- 18
Shower or two
- 14
- 18
Shower or two
Today 22 Sep Lower West
Mostly sunny. The chance of morning fog inland. Light winds becoming southwesterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to around 10 with daytime temperatures reaching the low 20s.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- South to southwesterly 10 to 15 knots decreasing to about 10 knots in the morning.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A ridge sits over the local waters, weakening tonight and strengthening late Tuesday ahead of the next cold front on Thursday.
Longreach Bay Temperature Statistics View More
September Temperature
Rottnest Island (3km)
Lowest 9 September, 2026
11.5 °CAverage September
16.7 °CHighest 16 September, 2026
27.8 °C
Climate (2021–2026)
Rottnest Island (3km)
Average Low 2021–2026
16.1 °CAverage 2021–2026
18.9 °CAverage High 2021–2026
22.8 °C