7 day weather forecast

 Effective as of 4:00 AM Wednesday October 21 2020

Explanatory notes:

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Wednesday October 21:

City:

14-24 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.A slight(30%) chance of a shower or thunderstorm over the hills most likely in the afternoon, a slight(20%) chance elsewhere.Winds southeasterly at 10-20 km/h tending southwesterly at 20-30 km/h during the afternooon.

Thursday October 22:

City:

12-25 Degrees Celsius

Partly cloudy.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Winds southeasterly at 10-20 km/h tending southwesterly at 20-30 km/h in the afternoon.

Friday October 23:

City:

12-26 Degrees Celsius

Mostly sunny.

Chance of any rain:0%

Amount:Nil

Perth Metropolitan Area:

Mostly sunny.Winds easterly at 15-25 km/h tending south-southwesterly at 15-25 km/h in the afternoon.

Saturday October 24:

City:

13-29 Degrees Celsius

Sunny.

Chance of any rain:0%

Amount:Nil

Perth Metropolitan Area:

Sunny.Winds easterly at 20-30 km/h tending south-southwesterly at 15-25 km/h in the afternoon.

Sunday October 25:

City:

17-32 Degrees Celsius

Mostly sunny.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Mostly sunny.Winds northeasterly at 20-30 km/h shifting south-southwesterly at 15-25 km/h from afternoon.

Monday October 26:

City:

15-23 Degrees Celsius

Showers.

Chance of any rain:70%

Amount:1 to 4 mm

Perth Metropolitan Area:

Partly to mostly cloudy. A high(70%) chance of showers.Winds west-southwesterly at 15-25 km/h becoming southwesterly at 20-30 k/h later during the day.

Tuesday October 27:

City:

-1223 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 tending southwesterly at 10-20 km/h in the afternoon.

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Figure 1.Surface synoptic chart at 12 UTC(8 PM local time yesterday).Image courtesy of the Australian Bureau of Meteorology(BOM).

 2. 

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).