Weather forecast for Perth effective as of 12:00 AM Thursday June 28

Weather forecast for Perth effective as of 12:00 AM Thursday June 28
Explanatory notes:
Scroll down below this section for forecast. 

Figure 1.Surface synoptic chart at 12 UTC(8 PM local time yesterday).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 yesterday).Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 4.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 5:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).

A cold front moved across the region on Wednesday.The chance of early today with radiational cooling of moist low level air,becoming less likely near dawn with drier air moving in from the south and increased cloud cover.
Cold air mass lies over the region until Saturday.

Another cold front likely moves across the region next Monday.Some uncertainty on the precise synoptic condition thereafter with the formation of a low possible near the region ahead of an upper level trough.

Thursday June 28:

City:

8-17 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.A slight(20%) chance of a shower near the coast in the early hours and morning.The chance of fog early.Light winds.

Friday June 29:

City:

5-17 Degrees Celsius

Partly cloudy.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.Winds easterly at 10-20 km/h becoming light from afternoon.

Saturday June 30:

City:

4-18 Degrees Celsius

Mostly sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny.Winds north-northeasterly at 10-20 km/h becoming light from afternoon.

Sunday July 1:

City:

6-21 Degrees Celsius

Clouds increasing.

Chance of any rain:10%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny becoming  mostly cloudy by late afternoon.A slight(20%) chance of a shower in the southwest at night.Winds north-northwesterly at 20-30 km/h.

Monday July 2:

City:

14-20 Degrees Celsius

Windy with showers.Possible thunderstorm.

Chance of any rain:95%

Amount:10 to 30 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(95%) chance of showers.The chance of a thunderstorm.Winds northwesterly at 30-50 km/h becoming south-southwesterly at 15-25 km/h in the evening.Gusty winds likely.

Tuesday July 3:

City:

10-18 Degrees Celsius

Showers.

Chance of any rain:80%

Amount:2 to 8 mm.

Perth metropolitan area:

Partly to mostly cloudy.A high(80%) chance of showers.Winds northwesterly at 20-30 km/h.

Wednesday July 4:

City:

8-17 Degrees Celsius

Showers.

Chance of any rain:80%

Amount:2 to 8 mm.

Perth metropolitan area:

Partly to mostly cloudy.A high(80%) chance of showers.Winds southwesterly at 20-30 km/h.

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.