Brussels, Belgium – Weather Tomorrow September 18
Friday, September 18
Night
02:00am – 08:00am
12°
13°
54°
55°
mostly clear
SW 13 km/h
8 mph
Morning
08:00am – 02:00pm
13°
19°
55°
66°
mostly clear
SW 11 km/h
7 mph
Afternoon
02:00pm – 08:00pm
17°
19°
63°
66°
cloudy
WSW 18 km/h
11 mph
Evening
08:00pm – 02:00am
15°
16°
59°
61°
cloudy
WSW 14 km/h
9 mph
Weather Tomorrow – Summary
Tomorrow, on Friday morning mostly clear, during the day cloudy, evening cloudy. Temperature: 12° to 19°C54° to 66°F. Wind: 11 to 18 km/h7 to 11 mph.
Data source: MET Norway — Last updated: Sep 16, 2026, 19:40 UTC