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 5 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: 6:33 am Sunrise: 7:00 am Moonrise: 2:30 pm
Dusk: 5:51 pm Sunset: 5:25 pm Moonset: 1:52 am
Daylight: 11:17 hrs Day length: 10:25 hrs Moon Phase: Waxing Gibbous

Local Station Forecast Updated Hourly

Cumulus Software: Fine weather

Station Hardware: Partly cloudy 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:
10:10 pm
2:10 pm
Saturday 18 May 2024
Saturday 18 May 2024
(local time +8 UTC)
(GMT time)
Temperature and Humidity
Temperature Outside15.8 °CTemperature Trend 3 hr-0.8 °C/hr
Average Temperature21.4 °CTemperature Trend Last hr+0.7 °C
Apparent Temperature14.3 °CHumidity Outside53 %
Feels Like15.3 °CDew Point 6.2 °C
Windchill15.8 °CEstimated Wet Bulb11.1 °C
Heat Index15.8 °CDerived THW Index 15.8 °C
Temperature Inside23.4 °CDerived THSW Index 13.9 °C
Humidity Inside37 %Humidex15.5 °C
Delta-T  °C    
Rainfall today0.0 mmRainfall last hour0.0 mm
Rainfall Rate0.0 mm/hrRainfall since midnight0.0 mm
Storm Rain0.0 mmDate of storm start
Rainfall this month15.2 mmRainfall last 24 hours0.0 mm
Rainfall this year31.8 mmLast Rainfall12 May 2024  6:14 pm
Consecutive Rain Days0Consecutive Dry Days5
Wind Speed (gust)3 ktsWind Speed (avg)2 kts
Wind Bearing19° NNEBeaufort F1Light air
Barometer (MSL)1026.4 hPaRising slowly0.1 hPa/hr
Solar Radiation 0 W/m2Theoretical Max Solar Radiation0 W/m2
Ultraviolet Radiation Index 0.0 Sunshine Today8.6 hrs
Evapotranspiration 2.69 mmCalculated Cloud Base3913 ft

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

page updated 18/05/2024 10:10:03 pm