How accurate is the forecast for Sejny?

Forecasts are pulled from leading meteorological models and refreshed automatically every 30 minutes. Short-range accuracy (next 24 hours) is typically within 1–2°C and 80–90% for precipitation.

How often is the data updated?

Current conditions and the hourly outlook refresh every 30 minutes; daily forecasts every hour.

What does the air-quality (AQI) value mean?

We display the European AQI on a scale from Good (0–20) to Extremely poor (>100), blending PM2.5, PM10, NO₂ and O₃.

Clima Map

Sejny PL

June 13, 2026 · 1:01 am

9^°

Ciel dégagé

Ressenti 7°C

Humidité: 99%
Vent: 6 km/h SW
Pression: 1016 hPa
Cloud: 0%

Indice UV

Faible

No protection needed.

Météo proche

Villes près de Sejny

Compare weather conditions in surrounding cities and open any local forecast instantly.

27.1 km Suwałki PL View forecast 38 km Augustów PL View forecast 43 km Druskininkai LT View forecast 50.3 km Marijampolė LT View forecast 50.5 km Dąbrowa Białostocka PL View forecast 55.3 km Alytus LT View forecast 55.4 km Olecko PL View forecast 57.5 km Hrodna BY View forecast

Weather notice Forecasts are for general planning. During severe weather, follow official alerts and local authority instructions.