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: 6:05 am Sunrise: 6:29 am Moonrise: 1:00 pm
Dusk: 6:32 pm Sunset: 6:08 pm Moonset: 10:45 pm
Daylight: 12:27 hrs Day length: 11:38 hrs Moon Phase: Waxing Crescent

Local Station Forecast Updated Hourly

Cumulus Software: Fine weather

Station Hardware: Increasing clouds with little temperature change.

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:
11:10 am
3:10 am
Friday 4 April 2025
Friday 4 April 2025
(local time +8 UTC)
(GMT time)
Temperature and Humidity
Temperature Outside20.4 °CTemperature Trend 3 hr0.8 °C/hr
Average Temperature19.9 °CTemperature Trend Last hr+0.6 °C
Apparent Temperature19.0 °CHumidity Outside57 %
Feels Like19.5 °CDew Point 11.6 °C
Windchill20.4 °CEstimated Wet Bulb15.3 °C
Heat Index20.4 °CDerived THW Index 20.4 °C
Temperature Inside23.6 °CDerived THSW Index 21.7 °C
Humidity Inside51 %Humidex22.4 °C
Delta-T  °C    
 
Rainfall
Rainfall today0.0 mmRainfall last hour0.0 mm
Rainfall Rate0.0 mm/hrRainfall since midnight0.4 mm
Storm Rain0.8 mmDate of storm start
Rainfall this month0.8 mmRainfall last 24 hours0.8 mm
Rainfall this year40.4 mmLast Rainfall04 Apr 2025  6:41 am
Consecutive Rain Days1Consecutive Dry Days0
 
Wind
Wind Speed (gust)17 ktsWind Speed (avg)5 kts
Wind Bearing111° ESEBeaufort F2Light breeze
 
Pressure
Barometer (MSL)1015.0 hPaRising slowly0.1 hPa/hr
 
Solar
Solar Radiation 139 W/m2Theoretical Max Solar Radiation866 W/m2
Ultraviolet Radiation Index 1.2 Sunshine Today0.4 hrs
Evapotranspiration 0.53 mmCalculated Cloud Base3602 ft

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



page updated 4/04/2025 11:10:01 am