7 day weather forecast

Effective as of 4:00 PM Sunday July 26

Explanatory notes:

The weak low pressure trough is currently leading to mostly cloudy conditions and showers. The trough will dissipate tonight.

On Monday, mostly sunny morning with north-northeasterly flow before showers from late afternoon as a cold front moves through.

On Tuesday, plenty of stratocumulus clouds with moist southwesterly flow, slight chance of light showers, whether or not showers occur depends on the height of the temperature inversion.ECMWF model currently has the height of the temperature inversion at around 1600 meters.

Stratocumulus-dry conditions on Wednesday with a high pressure ridge over the region.

The rest of Sunday July 26:

City:

Shower or two.

Chance of any rain:50%

Perth Metropolitan Area:

Mostly cloudy.A medium (50%) chance of showers.Light winds.

Monday July 27:

City:

13-23 Degrees Celsius

Evening showers.

Chance of any rain:100%

Amount:2 to 6 mm

Perth Metropolitan Area:

Mostly sunny then a very high(100%) chance of showers from late afternoon.Winds north-northeasterly at 15-25 km/h shifting northwesterly at 20-30 km/h from late morning.

Tuesday July 28:

City:

11-20 Degrees Celsius

Possible light  shower.

Chance of any rain:30%

Amount:0 to 0.2 mm

Perth Metropolitan Area:

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

Wednesday July 29:

City:

9-20 Degrees Celsius

Partly cloudy.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Light winds.

Thursday July 30:

City:

7-21 Degrees Celsius

Partly cloudy.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Light winds.

Friday July 31:

City:

10-20 Degrees Celsius

Possible shower.

Chance of any rain:30%

Amount:0 to 1 mm

Perth Metropolitan Area:

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

Saturday August 1:

City:

8-18 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:Nil

Perth Metropolitan Area:

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

Sunday August 1:

City:

8-19 Degrees Celsius

Partly cloudy.

Chance of any rain:5%

Amount:Nil

Perth Metropolitan Area:

Partly cloudy.Winds easterly 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).