7 day weather forecast

Effective as of 3:00 AM Wednesday August 12 2020

Explanatory notes:

Wednesday August 12:

City:

12-17 Degrees Celsius

Shower or two.

Chance of any rain:60%

Amount:0 to 1 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A medium(60%) chance of showers.Light winds tending south-southwesterly at 10-20 km/h during the day.

Thursday August 13:

City:

6-16 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.

Friday August 14:

City:

6-18 Degrees Celsius

Possible shower.

Chance of any rain:30%

Amount:0 to 0.4 mm

Perth Metropolitan Area:

Partly cloudy.A slight (30%) chance of a shower.Light winds tending northwesterly at 10-20 km/h in the afternoon.

Saturday August 15:

City:

9-19 Degrees Celsius

Rain,showers.

Chance of any rain:100%

Amount:8 to 20 mm

Perth Metropolitan Area:

Partly cloudy morning.A very high (100%) chance of rain,showers.The chance of a thunderstorm.Winds north-northeasterly at 15-30 km/h becoming northwesterly later during the day shifting westerly later.

Sunday August 16:

City:

10-16 Degrees Celsius

Windy with showers.

Chance of any rain:95%

Amount:8 to 15 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high (95%) chance of showers.The chance of a thunderstorm and/or small hail.Winds west-southwesterly at 25-40 km/h.Gusty winds possible.

Monday August 17:

City:

9-16 Degrees Celsius

Shower or two.

Chance of any rain:70%

Amount:1 to 5 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A high (70%) chance of showers.Winds south-southwesterly at 15-25 km/h.

Tuesday August 18:

City:

8-17 Degrees Celsius

Possible showers.

Chance of any rain:50%

Amount:0 to 6 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A medium (50%) chance of showers.Light winds.

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).