7 day weather forecast

Effective as of 4:00 AM Wednesday September 2 2020

Explanatory notes:

Wednesday September 2:

City:

12-18 Degrees Celsius

Showers.

Chance of any rain:90%

Amount:1 to 3 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (90%) chance of showers becoming mainly dry later in the afternoon.Winds west-southwesterly at 20-35 km/h becoming southwesterly from around the middle of the day.

Thursday September 3:

City:

11-19 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.Light winds tending westerly at 10-20 km/h between late morning and evening.

Friday September 4:

City:

12-21 Degrees Celsius

Clouds decreasing later.

Chance of any rain:20%

Amount:Nil

Perth Metropolitan Area:

Mostly cloudy becoming partly cloudy from afternoon.A slight(30%) chance of showers in the south.Light winds tending west-northwesterly at 10-20 km/h between late morning and evening.

Saturday September 5:

City:

9-23 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Winds northeasterly and light shifting northwesterly at 15-25 km/h from around the middle of the day.

Sunday September 6:

City:

15-21 Degrees Celsius

Showers.

Chance of any rain:95%

Amount:4 to 10 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (95%) chance of showers.Winds west-northwesterly at 20-30 km/h.

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:20%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.A slight (20%) chance of a shower.Light winds.

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.