Helsinki, Finland – Weather Tomorrow October 18
Sunday, October 18
Night
03:00am – 09:00am
4°
5°
39°
41°
fair
N 16 km/h
10 mph
Morning
09:00am – 03:00pm
5°
10°
41°
50°
fair
NNW 12 km/h
7 mph
Afternoon
03:00pm – 09:00pm
6°
10°
43°
50°
partly cloudy
NNW 15 km/h
10 mph
Evening
09:00pm – 03:00am
4°
6°
39°
43°
partly cloudy
N 10 km/h
6 mph
Weather Tomorrow – Summary
Tomorrow, on Sunday morning fair, during the day partly cloudy, evening partly cloudy. Temperature: 4° to 10°C39° to 50°F. Wind: 10 to 16 km/h6 to 10 mph.
Data source: MET Norway — Last updated: Oct 17, 2026, 06:57 UTC