7 day weather forecast

Effective as of 12:00 AM Monday October 8

Explanatory notes:

West coast trough deepens near the west coast.The west coast trough lies offshore overnight,moves inland during Monday afternoon leading to an afternoon sea breeze just like on Sunday

Possible showers and thunderstorms ahead of an upper/middle level trough/disturbance on Tuesday and Wednesday.

Monday October 8:

12-25 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:0 mm.

Perth metropolitan area:

Partly cloudy.A slight(20%) chance of a shower,most likely over the hills.Winds east-southeasterly at 10-20 km/h tending south-southwesterly at 10-20 km/h during the afternoon becoming east-southeasterly at 15-25 km/h at night.

Tuesday October 9:

14-27 Degrees Celsius

Possible showers and thunderstorms.

Chance of any rain:40%

Amount:0 to 3 mm.

Perth metropolitan area:

Partly cloudy.A medium(40%) chance of showers and thunderstorms.Winds east-northeasterly at 15-25 km/h tending east-southeasterly at 10-20 km/h from afternoon.

Wednesday October 10:

14-26 Degrees Celsius

Possible showers and thunderstorms.

Chance of any rain:40%

Amount:0 to 3 mm.

Perth metropolitan area:

Partly cloudy.A medium(40%) chance of showers and thunderstorms.Winds easterly at 15-25 km/h tending east-southeasterly at 10-20 km/h from afternoon.

Thursday October 11:

13-23 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 10-20 km/h from afternoon.

Friday October 12:

14-21 Degrees Celsius

Shower or two.

Chance of any rain:50%

Amount:0 to 2 mm.

Perth metropolitan area:

Partly to mostly cloudy.A medium(50%) chance of showers.Light winds tending westerly at 10-20 km/h during the day.

Saturday October 13:

13-20 Degrees Celsius

Showers.

Chance of any rain:90%

Amount:4 to 12 mm.

Perth metropolitan area:

Partly to mostly cloudy.A very high(90%) chance of showers.The chance of a thunderstorm.Winds northwesterly at 15-30 km/h becoming west-southwesterly later during the day.

Sunday October 14:

13-20 Degrees Celsius

Shower or two.

Chance of any rain:60%

Amount:0 to 2 mm.

Perth metropolitan area:

Partly to mostly cloudy.A medium(60%) chance of showers.Winds west-southwesterly at 15-25 km/h.

Charts:

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 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).

Forecast for today produced at 12:00 AM,forecast for the rest of the days produced at 4:20 PM Wednesday July 11.Weather icons courtesy of the US National Weather Service.