Weather forecast for Perth effective as of 7:00 PM Monday April 9

Weather forecast for Perth effective as of 7:00 PM Monday April 9:

Explanatory notes:
Scroll down below this section for forecast. 

Figure 1.Surface synoptic chart at  00 UTC(8 AM local time today).Image courtesy of the Australian Bureau of Meteorology(BOM).

Figure 4.Key features identified on True Colour RGB satellite image at around 07:00 UTC(3 PM local time today).Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 5.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image at 00 UTC(8 AM local time today).Image courtesy of the Australian Bureau of Meteorology(BOM).

Figure 6:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).

Typical autumn weather during the forecast period.

Today in the afternoon a weak cold front brushed through the region having brought some showers.Cold air mass lies over the region tomorrow resulting in what could be the coldest day since December last year.The slight chance of showers in the cold air mass but low subsidence inversion heights and dry low level air with dew points below 7 Degrees Celsius means only a slight chance.

With moist air offshore and land breeze convergence showers possible over coastal areas early on Wednesday,near zero chance elsewhere due to the land breeze.

A cold front likely brushes the region on Thursday again bringing showers but still some uncertainty at this time.

Cold air mass over the region on Friday.

Conditions rapidly become sunny and warm from the weekend as a ridge of high pressure builds.

The rest of Monday April 9:

City:

Mostly cloudy.

Chance of any rain:10%

Perth metropolitan area:

Mostly cloudy.Winds south-southwesterly at 10-20 km/h becoming southerly at 5-15 km/h at night.

Tuesday April 10:

City:

13-22 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.A slight(20%) chance of a shower.Light winds becoming southwesterly at 15-30 km/h from late morning becoming light at night.

Wednesday April 11:

City:

12-23 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.A slight(30%) chance of showers in the southwest in the early hours and morning,a near zero chance elsewhere.Light winds tending southwesterly at 10-25 km/h in the afternoon and evening.

Thursday April 12:

City:

12-24 Degrees Celsius

Showers.

Chance of any rain:50%

Amount:0 to 2 mm.

Perth metropolitan area:

Partly cloudy.A medium(50%) chance of  showers.Light winds becoming west-southwesterly at 15-25 km/h becoming south-southwesterly from afternoon.

Friday April 13:

City:

12-24 Degrees Celsius

Partly to mostly cloudy.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Partly to mostly cloudy.A slight(20%) chance of a shower.Light winds becoming south-southwesterly at 20-30 km/h becoming southeasterly at night.

Saturday April 14:

City:

12-25 Degrees Celsius

Mostly sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Mostly sunny.Winds east-southeasterly at 10-20 km/h tending southerly in the afternoon and evening.

Sunday April 15:

City:

12-26 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

Sunny.Winds east-southeasterly at 10-20 km/h tending south-southwesterly in the afternoon and evening.

Monday April 16:

City:

14-29 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:0 mm.

Perth metropolitan area:

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

Forecast for today produced at 9:00 AM,forecast for the rest of the days produced at 6:30 PM Sunday April 8.Weather icons courtesy of the US National Weather Service.