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: 6:15 am Sunrise: 6:40 am Moonrise: 8:05 am
Dusk: 6:20 pm Sunset: 5:56 pm Moonset: 8:51 pm
Daylight: 12:04 hrs Day length: 11:15 hrs Moon Phase: Waxing Crescent

Local Station Forecast: Updated Hourly
Cumulus Software: Settled fine
Station Hardware:   Mostly clear 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.

Temperature and Humidity 8:20 am Tue 26 Aug (+8 UTC)     12:20 am Tue 26 Aug (0 UTC)
Temperature Outside8.1 °CTemperature Trend 3 hr0.8 °C/hr
Average Temperature6.7 °CTemperature Trend Last hr+1.4 °C
Apparent Temperature7.1 °CHumidity Outside94 %
Feels Like8.1 °CDew Point 7.1 °C
Windchill8.1 °CEstimated Wet Bulb7.6 °C
Heat Index8.1 °CDerived THW Index 8.1 °C
Temperature Inside18.3 °CDerived THSW Index 8.3 °C
Humidity Inside63 %Humidex8.1
Delta-T  °C    
 
Rainfall
Rainfall today12.4 mmRainfall last hour0.0 mm
Rainfall Rate0.0 mm/hrRainfall since midnight6.0 mm
Storm Rain47.0 mmDate of storm start
Rainfall this month226.6 mmRainfall last 24 hours12.6 mm
Rainfall this year794.0 mmLast Rainfall26 Aug 2025  6:06 am
Consecutive Rain Days6Consecutive Dry Days0
 
Wind
Wind Speed (gust)3 ktsWind Speed (avg)1 kts
Wind Bearing26° NNEBeaufort Scale1 Light air
 
Pressure
Barometer (MSL)1018.7 hPaRising1.0 hPa/hr
 
Solar
Solar Radiation 265 W/m2Theoretical Max Solar Radiation300 W/m2
Ultraviolet Radiation Index 0.0 Sunshine Today0.5 hrs
Evapotranspiration 0.74 mmCalculated Cloud Base371 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 26/08/2025 8:20:01 am