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 and console pages are near realtime updated every 3 seconds, solar panel page updated every 5 seconds (daylight hours).

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

Dawn: 4:35 am Sunrise: 5:03 am Moonrise: 12:44 am
Dusk: 7:45 pm Sunset: 7:17 pm Moonset: 1:20 pm
Daylight: 15:10 hrs Day length: 14:13 hrs Moon Phase: Waning Crescent

Local Station Forecast: Updated Hourly
Cumulus Software: Showery, becoming less settled
Station Hardware:   Mostly cloudy with little temperature change. Precipitation likely.

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.

Temperature and Humidity 12:40 pm Sat 13 Dec (+8 UTC)     4:40 am Sat 13 Dec (0 UTC)
Temperature Outside30.7 °CTemperature Trend 3 hr2.1 °C/hr
Average Temperature27.1 °CTemperature Trend Last hr+1.7 °C
Apparent Temperature31.1 °CHumidity Outside39 %
Feels Like31.5 °CDew Point 15.2 °C
Windchill30.7 °CEstimated Wet Bulb21.0 °C
Heat Index30.4 °CDerived THW Index 30.4 °C
Temperature Inside25.9 °CDerived THSW Index 36.1 °C
Humidity Inside64 %Humidex34.7
Delta-T  °C    
 
Rainfall
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 month0.0 mmRainfall last 24 hours0.0 mm
Rainfall this year1041.8 mmLast Rainfall26 Nov 2025  8:55 am
Consecutive Rain Days0Consecutive Dry Days17
 
Wind
Wind Speed (gust)10 ktsWind Speed (avg)3 kts
Wind Bearing202° SSWBeaufort Scale2 Light breeze
 
Pressure
Barometer (MSL)1011.2 hPaFalling-0.8 hPa/hr
 
Solar
Solar Radiation 1027 W/m2Theoretical Max Solar Radiation1212 W/m2
Ultraviolet Radiation Index 9.0 Sunshine Today5.4 hrs
Evapotranspiration 2.21 mmCalculated Cloud Base6360 ft

day night pie chart by  beteljuice
forecast icons by  Weather By You
moon phase icon by  GraemeT
clock from  jsDelivr CDN  steelseries, by  nicolas-van



page updated 13/12/2025 12:40:01 pm