7 day weather forecast

Effective as of 12:00 AM Sunday August 9 2020

Explanatory notes:


Rain on Sunday morning ahead of a cold front and upper level trough. Strong winds at times with a low level jet aloft which would mix with the surface with rainfall.

Showers, possible thunderstorm behind the cold front with the cold air mass over the region. Possible small hail with the cold pool aloft.

Sunday August 9:

City:

11-17 Degrees Celsius

Showers,rain.Possible thunderstorm.Windy.

Chance of any rain:100%

Amount:20 to 35 mm

Perth Metropolitan Area:

Mostly cloudy.A very high(100%) chance of showers,rain.The chance of a thunderstorm.Possible small hail from late afternoon.Winds northeasterly at 30-45 km/h shifting northwesterly from afternoon.Gusty winds possible.

Monday August 10:

City:

11-19 Degrees Celsius

Showers.Possible thunderstorm.

Chance of any rain:100%

Amount:15 to 30 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A very high(100%) chance of showers.The chance of a thunderstorm and/or small hail during the early hours and morning.Winds west-northwesterly at 20-35 km/h shifting west-southwesterly during the day.Gusty winds possible.

Tuesday August 11:

City:

12-17 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.

Wednesday August 12:

City:

9-17 Degrees Celsius

Shower or two.

Chance of any rain:50%

Amount:0 to 3 mm

Perth Metropolitan Area:

Partly to mostly cloudy.A medium(50%) chance of showers.Winds southwesterly at 15-25 km/h.

Thursday August 13:

City:

7-17 Degrees Celsius

Partly cloudy.

Chance of any rain:20%

Amount:Nil

Perth Metropolitan Area:

Partly to mostly cloudy.A slight(20%) chance of a shower.Light winds.

Friday August 14:

City:

6-19 Degrees Celsius

Partly cloudy.

Chance of any rain:10%

Amount:Nil

Perth Metropolitan Area:

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

Saturday August 15:

City:

9-21 Degrees Celsius

Showers.

Chance of any rain:60%

Amount:0 to 10 mm

Perth Metropolitan Area:

Partly cloudy.A medium (60%) chance of showers.Winds north-northeasterly at 15-25 km/h becoming northwesterly later during the day.

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).