How accurate is the forecast for Haarlem?

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

Haarlem NL

June 8, 2026 · 8:38 am

16^°

Nublado

Sensación 15°C

Humedad: 73%
Viento: 10 km/h S
Presión: 1016 hPa
Cloud: 100%

Hoy · June 8, 2026

Lluvia moderada

21°C · 15°C

Lluvia: 7.9 mm · UV: 5.5 · Viento: 16 km/h

Clima cercano

Ciudades cerca de Haarlem

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

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