How accurate is the forecast for Willisau?

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

Willisau CH

June 12, 2026 · 1:32 am

11^°

Lluvia ligera

Sensación 10°C

Humedad: 74%
Viento: 5 km/h SW
Presión: 1026 hPa
Cloud: 99%

June 18, 2026 · June 18, 2026

Cielo despejado

28°C · 12°C

Lluvia: 0 mm · UV: 7.15 · Viento: 9 km/h

Clima cercano

Ciudades cerca de Willisau

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

10.4 km Sursee CH View forecast 10.8 km Ruswil CH View forecast 16.1 km Neuenkirch CH View forecast 17.1 km Malters CH View forecast 18.2 km Langenthal CH View forecast 18.8 km Zofingen CH View forecast 19.8 km Menziken CH View forecast 21.6 km Sumiswald CH View forecast

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