Weather forecast for Perth effective as of 12:00 AM Saturday July 7

Weather forecast for Perth effective as of 12:00 AM Saturday July 7
Explanatory notes:
Scroll down below this section for forecast. 

Figure 1.Surface synoptic chart at 06 UTC(2 PM local time today).Image courtesy of the Australian Bureau of Meteorology(BOM)

Figure 3.Key features identified on True Colour RGB satellite image at around 06:00 UTC(2 PM local time today).Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 4.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image at 06 UTC(2 PM 
local time today).Image courtesy of the Australian Bureau of Meteorology(BOM).

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

Cold morning again very good radiational cooling.

Cold air mass trapped under a subsidence inversion means shallow convective clouds during the day today again.

Warm air advection results in relatively warm air mass early next working week,a weak west coast trough forms offshore.

A cold front is likely to move across the region late during the working week.

Saturday July 7:

City:

6-19 Degrees Celsius

Clouds increasing.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny becoming partly to mostly cloudy in the afternoon.Winds easterly at 10-20 km/h tending northeasterly at 15-25 km/h during the afternoon becoming light from evening.

Sunday July 8:

City:

7-20 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds east-northeasterly at 15-25 km/h becoming light from evening.

Monday July 9:

City:

7-21 Degrees Celsius

Sunny day.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Sunny day.Winds northeasterly at 15-25 km/h becoming light from afternoon.

Tuesday July 10:

City:

6-20 Degrees Celsius

Sunny day.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Sunny day.Light winds.

Wednesday July 11:

City:

7-21 Degrees Celsius

Mostly sunny.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny.A slight(20%) chance of showers.Light winds.

Thursday July 12:

City:

8-20 Degrees Celsius

Possible shower or two.

Chance of any rain:40%

Amount:0 to 3 mm.

Perth metropolitan area:

Partly to mostly cloudy.A medium(40%) chance of showers.Winds northwesterly at 15-25 km/h.

Friday July 13:

City:

11-18 Degrees Celsius

Showers.

Chance of any rain:90%

Amount:2 to 8 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(90%) chance of showers.Winds northwesterly at northwesterly at 20-30 km/h shifting westerly.

Forecast for today produced at 11:45 PM Monday May 7,forecast for the rest of the days produced at 5:00 PM Monday May 7.Weather icons courtesy of the US National Weather Service.