Forecast of the range of maximum temperatures (+ trend vs last forecast) + general type of weather in Belgium

(Usually the highest values ​​are in urban areas, the lower Meuse valley, the Gaume and in the Campine, except in the cold season where these values occur mainly in the coastal area; the lowest values are largely expected on the highlands of the Ardennes)

By Luc Trullemans (BMCB) with 48--ly updates, published around 12-14h

Updated on21 September - outlook and trends for the period to 5 October

Friday 22 September: 12/19° (-0.5) variable/cloudy, a few showers with thundershowers and fairly windy (45/65 km/h).

Saturday, September 23: 13/19° (-1) variable with sunny spells, small chance of light showers over the northwest.

Sunday 24 September: 14/22° (-0.5) risk of light frost in the Ardennes; fairly sunny.

Monday 25 September: 18/24° (+1) sunny.

Tuesday 26 September: 19/26° (0) sunny.

Wednesday 27 September: 20/25° (0) sunny, continuing at night with rain in the west.

Thursday 28 September: 17/22° (-2.5) cloudy/variable; rain/showers.

Friday, 29 September: 16/21° (-4) variable with sunny spells and showers.

Saturday 30 September: 16/22° (-1.5) fairly sunny and mostly dry .

Sunday 1 October: 15/21° (-2) risk of rain .

Monday 2 October: 15/21° (0) dry.

Tuesday 3 October: 15/22° (+0.5) dry.

Wednesday 4 October: 15/22° (--) little or no showers.

Thursday 5 October: 17/21° (--) showers.


Initially variable, cool and fairly windy with showers.

A gradual improvement is expected over the weekend with a little milder weather from Sunday.

The first part of next week will be pleasant and fairly sunny with even unseasonably warm weather, but the rain will return on Thursday with lower temperatures.

Conditions should remain mild for the rest of the month and into early October, with the occasional chance of rain.


Graphics - General Forecast:


Analysis & Forecast maps : <

Thermal anomalies:

Special warning:

City forecast from ECMWF:,50.822,4.352,12,i:pressure/ (replace location left above)

City forecast from ICON:,temp,50.822,4.352,12,i:pressure,m:e3Tagiq/ (replace location left above )