This site contains weather information, statistics, and real time data for the suburb of Roleystone, in Perth Western Australia.

The meteorological day used at this station rolls over at 9 am. Data is updated throughout the site every 10 minutes for current data, observations page every 30 minutes, and other pages daily. The gauges, console and solar panel page is near realtime, data updated every 3 seconds.

Alerts and Warnings
WA Warnings Summary Bureau of Meteorology (BoM)
Current Alerts and Warnings Emergency WA (DEFS)
Total Fire Ban Status Today Emergency WA (DEFS)

Dawn: 6:49 am Sunrise: 7:16 am Moonrise: 2:20 am
Dusk: 5:46 pm Sunset: 5:19 pm Moonset: 1:32 pm
Daylight: 10:57 hrs Day length: 10:02 hrs Moon Phase: Waning Crescent

Local Station Forecast Updated Hourly

Cumulus Software: Precipitation at times, very unsettled

Station Hardware: Mostly cloudy and cooler. Precipitation possible within 12 hours, possibly heavy at times. Windy.

Note: The above weather forecast is derived from this weather station and software only, it is very often inaccurate.
            The Bureau of Meteorology are much better at it.
Conditions at:
1:20 am
5:20 pm
Saturday 21 June 2025
Friday 20 June 2025
(local time +8 UTC)
(GMT time)
Temperature and Humidity
Temperature Outside9.7 °CTemperature Trend 3 hr-0.1 °C/hr
Average Temperature13.7 °CTemperature Trend Last hr-0.1 °C
Apparent Temperature7.9 °CHumidity Outside93 %
Feels Like8.7 °CDew Point 8.6 °C
Windchill8.7 °CEstimated Wet Bulb9.1 °C
Heat Index9.7 °CDerived THW Index 8.7 °C
Temperature Inside22.2 °CDerived THSW Index 7.8 °C
Humidity Inside61 %Humidex9.7
Delta-T  °C    
 
Rainfall
Rainfall today25.0 mmRainfall last hour3.8 mm
Rainfall Rate2.6 mm/hrRainfall since midnight4.0 mm
Storm Rain25.0 mmDate of storm start
Rainfall this month177.4 mmRainfall last 24 hours25.2 mm
Rainfall this year317.0 mmLast Rainfall21 Jun 2025  1:15 am
Consecutive Rain Days8Consecutive Dry Days0
 
Wind
Wind Speed (gust)15 ktsWind Speed (avg)4 kts
Wind Bearing299° WNWBeaufort F2Light breeze
 
Pressure
Barometer (MSL)1008.6 hPaRising slowly0.1 hPa/hr
 
Solar
Solar Radiation 0 W/m2Theoretical Max Solar Radiation0 W/m2
Ultraviolet Radiation Index 0.0 Sunshine Today0.0 hrs
Evapotranspiration 1.17 mmCalculated Cloud Base440 ft

day night pie chart by  beteljuice
forecast icons by  Weather By You
moon phase icon by  GraemeT



page updated 21/06/2025 1:20:01 am