Białystok, Poland – Weather Tomorrow June 21
Sunday, June 21
Night
02:00am – 08:00am
19°
25°
66°
77°
fair
ESE 4 km/h
3 mph
Morning
08:00am – 02:00pm
26°
32°
79°
90°
mostly clear
SW 8 km/h
5 mph
Afternoon
02:00pm – 08:00pm
27°
32°
81°
90°
partly cloudy
WSW 7 km/h
4 mph
Evening
08:00pm – 02:00am
21°
26°
70°
79°
partly cloudy
N 12 km/h
7 mph
Weather Tomorrow – Summary
Tomorrow, on Sunday morning mostly clear, during the day partly cloudy, evening partly cloudy. Temperature: 19° to 32°C66° to 90°F. Wind: 4 to 12 km/h3 to 7 mph.
Data source: MET Norway — Last updated: Jun 20, 2026, 07:27 UTC