7 day weather forecast

Effective as of 4:00 AM Saturday August 15 2020

Explanatory notes:

Saturday August 15:

City:

10-21 Degrees Celsius

PM showers,rain,possible thunderstorm.

Chance of any rain:100%

Amount:8 to 20 mm

Perth Metropolitan Area:

Mostly sunny morning.A very high (100%) chance of showers, rain most likely from afternoon.The chance of a thunderstorm most likely from late afternoon.Winds north-northeasterly at 15-30 km/h becoming northwesterly later during the day shifting westerly later.

Sunday August 16:

City:

10-15 Degrees Celsius

Showers.Possible thunderstorm.

Chance of any rain:100%

Amount:8 to 20 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (100%) chance of showers.The chance of a thunderstorm and/or small hail.Winds west-southwesterly at 20-35 km/h becoming southwesterly from evening.Gusty winds possible.

Monday August 17:

City:

9-16 Degrees Celsius

Showers.

Chance of any rain:90%

Amount:1 to 4 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (90%) chance of showers.Winds southwesterly at 20-35 km/h.Gusty winds possible.

Tuesday August 18:

City:

10-17 Degrees Celsius

Shower or two.

Chance of any rain:40%

Amount:0 to 1 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A medium (60%) chance of showers.Winds southwesterly at 20-30 km/h.

Wednesday August 19:

City:

6-18 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.

Thursday August 20:

City:

7-19 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.A slight(20%) chance of a shower.Winds east-northeasterly at 10-20 km/h.

Friday August 21:

City:

8-21 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.A slight(20%) chance of a shower.Winds east-northeasterly at 10-20 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).