Friday 21 August, 09:20:24

Uccle (Brussels)

Brussels Capital Region - Royal Meteorological Institute

Friday 21 August, 9:10
Most recentHistorical dataMonthly dataYearly data
Daily data
21 August 2026
Previous 24h
ParameterActualMin.Max.Avg.Tot.Min.Max.Avg.Tot.
Temperature +150cm (screen)°C15.913.416.214.713.421.516.9
 
Relative humidity%87.886.494.289.766.094.283.9
Dewpoint temperature°C13.912.413.913.112.416.014.1
 
Pressure at sea levelhPa1,009.91,009.01,010.11,009.41,007.21,010.11,008.4
Pressure tendency (3h)hPa+0.9
 
Solar radiation avg.W/m²250025020706423,462
 
Humidex15.9
 
Wetbulb temperature°C14.5

* Parameters in bold are measured by different sensors, other parameters are calculated valued from different parameters and/or times.

* Actual = during the 10 minutes preceding observation time

* Minimum = lowest value since midnight

* Maximum = highest value since midnight

* Average = average value since midnight

* Total = total of the numbers since midnight

* Cloudbase = calculated height for cloud formation by convection; below this height clouds are dissolving

* Precipitation intensity (rain gauge) = average precipitation intensity during the past 10 minutes

* Precipitation intensity radar = average precipitation intensity during the last minute preceding observation time

* Pressure at sea level = station pressure reduced to sea level taking into account height and temperature

* Pressure tendency 3h = change in atmospheric pressure during the last 3 hours, + is rising, - is falling

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