7 day weather forecast

Effective as of 4:00 PM Wednesday September 2 2020

Explanatory notes:

The rest of Wednesday September 2:

City:

Clouds increasing.

Chance of any rain:10%

Perth Metropolitan Area:

Partly cloudy becoming mostly cloudy at night.The chance of light showers at night.Winds southwesterly at 20-30 km/h becoming west-southwesterly at 10-20 km/h at night.

Thursday September 3:

City:

11-20 Degrees Celsius

Possible light shower.

Chance of any rain:30%

Amount:0 to 0.4 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A slight (30%) chance of light showers most likely over southern suburbs.Light winds tending west-northwesterly at 15-25 km/h between late morning and evening.

Friday September 4:

City:

12-21 Degrees Celsius

Possible shower.

Chance of any rain:30%

Amount:0 to 0.4 mm

Perth Metropolitan Area:

Mostly cloudy becoming partly cloudy from afternoon.A medium(50%) chance of showers in the south, grading to a slight(20%) chance in the north.Light winds tending west-northwesterly at 10-20 km/h between late morning and evening.

Saturday September 5:

City:

9-22 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Fog possible early, most likely over the hills.Light winds becoming northwesterly at 15-25 km/h from late morning.

Sunday September 6:

City:

15-21 Degrees Celsius

Showers.

Chance of any rain:100%

Amount:5 to 12 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (100%) chance of showers.Winds northwesterly at 20-30 km/h shifting west-northwesterly later during the day.

Monday September 7:

City:

13-19 Degrees Celsius

Shower or two.

Chance of any rain:60%

Amount:0 to 2 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A medium (60%) chance of showers.Winds westerly at 15-25 km/h.

Tuesday September 8:

City:

9-21 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Light winds.

Wednesday September 9:

City:

10-21 Degrees Celsius

Showers.

Chance of any rain:70%

Amount:0 to 5 mm

Perth Metropolitan Area:

Partly cloudy.A high(70%) chance of showers.Winds northwesterly at 20-30 km/h shifting west-southwesterly later during the day.

Charts:

Figure 1.Surface synoptic chart at 12 UTC(8 PM local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM). 

Figure 2.Key features identified on True Colour RGB satellite image at around 06:00 UTC(2 PM local time yesterday).Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 3.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image at 12 UTC(8 PM 
local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM).

Figure 4:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).

Some data on this site is sourced from the Australian Bureau of Meteorology(BOM). Weather icons from the US National Weather Service.