Forecast accuracy in Maarianhamina

Average temperature and wind error at the Maarianhamina weather station, by forecast day, for every service Ilma is compared with. Updated 04 Oct 2026.

Temperature error by forecast day (°C, lower is better)

No verified data for this city yet.

Wind error by forecast day (m/s, lower is better)

No verified data for this city yet.

Per-city numbers are descriptive: the statistical test is made for all stations together.

All of Finland: the tested comparison · Maarianhamina weather