7 day weather forecast

Effective as of 4:00 AM Saturday August 29 2020

Explanatory notes:

Saturday August 29:

City:

10-18 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy. A slight(20%) chance of showers in the early hours and early morning.Winds south-southwesterly at 15-30 km/h becoming southeasterly at 10-20 km/h by morning, tending south-southwesterly at 15-25 km/h in the afternoon, southeasterly at 10-20 km/h at night.

Sunday August 30:

City:

7-22 Degrees Celsius

High clouds (mostly sunny).

Chance of any rain:0%

Amount:Nil

Perth Metropolitan Area:

High clouds (mostly sunny).Winds east-northeasterly at 10-25 km/h becoming northeasterly by late morning,light from afternoon.

Monday August 31:

City:

6-21 Degrees Celsius

PM showers.

Chance of any rain:80%

Amount:1 to 4 mm

Perth Metropolitan Area:

Sunny at first. A high (80%) chance of showers most likely from afternoon.Winds northeasterly at 5-15 km/h becoming west-northwesterly at 20-30 km/h from around the middle of the day becoming westerly at night.

Tuesday September 1:

City:

11-17 Degrees Celsius

Windy with showers.Possible thunderstorm.

Chance of any rain:100%

Amount:3 to 10 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (100%) chance of showers.The chance of a thunderstorm and/or small hail most like over southern suburbs and the hills.Winds west-southwesterly at 25-40 km/h.Gusty winds possible.

Wednesday September 2:

City:

11-18 Degrees Celsius

Showers.

Chance of any rain:90%

Amount:1 to 4 mm

Perth Metropolitan Area:

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

Thursday September 3:

City:

10-19 Degrees Celsius

Possible shower.

Chance of any rain:30%

Amount:0 to 0.6 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A slight (30%) chance of showers.Light winds tending westerly at 10-20 km/h during the day.

Friday September 4:

City:

8-21 Degrees Celsius

Mostly sunny.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Mostly sunny.Light winds.

Charts:

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

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).

Some data on this site is sourced from the Australian Bureau of Meteorology(BOM). Weather icons from the US National Weather Service.