How accurate is the forecast for Katwijk aan den Rijn?

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

Katwijk aan den Rijn NL

June 21, 2026 · 2:01 am

20^°

Couvert

Ressenti 21°C

Humidité: 81%
Vent: 9 km/h ESE
Pression: 1024 hPa
Cloud: 100%

Indice UV

Faible

No protection needed.

Météo proche

Villes près de Katwijk aan den Rijn

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

1.4 km Rijnsburg NL View forecast 1.9 km Katwijk aan Zee NL View forecast 3.6 km Oegstgeest NL View forecast 4.7 km Noordwijk-Binnen NL View forecast 5 km Hoge Mors NL View forecast 5.5 km Wassenaar NL View forecast 6.2 km Merenwijk NL View forecast 6.3 km Leiden NL View forecast

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