Weather forecast for Perth effective as of 12:00 AM Tuesday June 26

Weather forecast for Perth effective as of 12:00 AM Tuesday June 26
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 likely moves across the region on Wednesday.Cold air mass lies over the region thereafter possibly the coldest of the year so far.Depending on the strength of winds overnight,frost is possible early on Saturday over the hills.

Tuesday June 26:

City:

8-20 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.A medium(40%) chance of showers in the southwest at night,a slight(20%) chance elsewhere.Winds north-northeasterly at 15-25 km/h becoming northerly from afternoon.

Wednesday June 27:

City:

11-19 Degrees Celsius

Showers.Possible thunderstorm.

Chance of any rain:100%

Amount:10 to 20 mm.

Perth metropolitan area:

Mostly cloudy.A very high(100%) chance of rain and showers.The chance of thunderstorms.Winds northerly at 10-20 km/h becoming south-southwesterly from around the middle of the day becoming light at night.

Thursday June 28:

City:

7-17 Degrees Celsius

Partly cloudy.

Chance of any rain:5%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.Winds south-southeasterly at 5-15 km/h.

Friday June 29:

City:

4-17 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:

3-18 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds easterly at 10-20 km/h.

Sunday July 1:

City:

6-19 Degrees Celsius

Partly cloudy.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.Winds northeasterly at 20-30 km/h.

Monday July 2:

City:

10-20 Degrees Celsius

Showers.

Chance of any rain:60%

Amount:1 to 6 mm.

Perth metropolitan area:

Partly to mostly cloudy.A medium(60%) chance of showers.Winds north-northwesterly 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.