7 day weather forecast

 Effective as of 4:00 PM Wednesday May 26 2021

Explanatory notes:

Becoming warmer with the high pressure system in the Great Australian Bight/southern Australia leading to northeasterly winds.

On Friday an upper level trough to the west leads to the development of elevated showers and thunderstorms. A cold front also arrived overnight bringing further showers with the possibility of thunderstorms.

On Saturday, the cut off low lies to the southeast, showery conditions with the possibility of thunderstorms for Perth with the moist flow ahead of the upper level trough.

Showery conditions continue on Sunday in the south-southwesterly air stream.

Improving conditions from early next week with the ridge of high pressure building to the south.

The rest of Wednesday May 26:

City:

Partly cloudy.

Chance of any rain:0%

Perth Metropolitan Area:

Partly cloudy.High clouds.Winds northeasterly at 10-20 km/h.

Thursday May 27:

City:

10-24  Degrees Celsius

Partly cloudy.

Chance of any rain:0%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.High clouds.Winds northeasterly at 15-25 km/h becoming north-northeasterly from late morning becoming light later in the afternoon.

Friday May 28:

City:

12-23  Degrees Celsius

Showers.Possible thunderstorm.

Chance of any rain:90%

Amount:3 to 15 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (90%) chance of showers and thunderstorms. Winds north-northeasterly at 10-25 km/h.

Saturday May 29:

City:

14-20  Degrees Celsius

Showers and thunderstorms.

Chance of any rain:100%

Amount:10 to 25 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (100%) chance of showers.The chance of a thunderstorm.Winds northerly at 20-20 km/h shifting wseterly at 15-30 km/h during the day.

Sunday May 30:

City:

11-19  Degrees Celsius

Showers.

Chance of any rain:80%

Amount:2 to 10 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A high(80%) chance of showers.Winds south-southwesterly at 15-25 km/h.

Monday May 31:

City:

8-18  Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.A slight(20%) chance of a shower.Winds south-southwesterly at 15-25 km/h.

Tuesday June 1:

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 southeasterly at 10-20 km/h ending south-southwesterly at 15-25 km/h in the afternoon.

Wednesday June 2:

City:

7-20  Degrees Celsius

Partly cloudy.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Winds east-southeasterly at 10-20 km/h.

Charts:

                                   

Figure 1.Surface synoptic chart.Image courtesy of the Australian Bureau of Meteorology(BOM).

 2. 

Figure 2.Key features identified on True Colour RGB satellite image.Satellite image courtesy of the Japanese Meteorological Agency(JMA).

Figure 3.Mean Sea Level Pressure(MSLP) analysis with infrared greyscale satellite image. Image courtesy of the Australian Bureau of Meteorology(BOM)

Figure 4:Surface synoptic prognosis.Image courtesy of the Australian Bureau of Meteorology(BOM).

No liabilities held from information consumed on this site. Weather icons are from the US National Weather Service.Some information on this site is from the Australian Bureau of Meteorology (BOM).