7 day weather forecast

Effective as of 4:00 PM Saturday August 1 2020

Explanatory notes:





The upper level low results in the formation of a cut off low near the region from Sunday bringing showers and with the upper level cold pool over the region, also possible thunderstorms and/or small hail.

Sunday August 1:

City:

6-19 Degrees Celsius

Showers developing.

Chance of any rain:90%

Amount:1 to 3 mm

Perth Metropolitan Area:

Partly cloudy with a slight(20%) chance of a shower increasing to a very high(90%) chance of showers from early afternoon.Light winds becoming southwesterly at 15-25 km/h in the afternoon becoming light from evening.

Monday August 2:

City:

7-16 Degrees Celsius

Showers.Possible thunderstorm.

Chance of any rain:95%

Amount:2 to 6 mm

Perth Metropolitan Area:

Partly cloudy.A very high(95%) chance of showers.The chance of a thunderstorm and/or small hail.Light winds becoming southwesterly at 10-20 km/h during the day.

Tuesday August 3:

City:

7-17 Degrees Celsius

Possible shower.

Chance of any rain:30%

Amount:0 to 1 mm

Perth Metropolitan Area:

Partly cloudy.A slight(30%) chance of a shower.Light winds tending southerly at 15-25 km/h during the day.

Wednesday August 4:

City:

7-18 Degrees Celsius

Clouds increasing.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

A mostly sunny morning with clouds developing to become partly cloudy in the afternoon.Winds southeasterly at 15-25 km/h.

Thursday August 5:

City:

5-17 Degrees Celsius

Clouds increasing.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Mostly sunny morning with clouds developing to become partly cloudy in the afternoon.Winds east-southeasterly at 10-20 km/h.

Friday August 6:

City:

6-18 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Winds east-northeasterly at 10-25 km/h.

Saturday August 7:

City:

7-20 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.A slight(20%) chance of a shower.Winds northeasterly at 15-30 km/h.

Charts:

Figure 1.Surface synoptic chart at 00 UTC(8 AM local time today).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 today).Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 3.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 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).