How accurate is the forecast for Hornsby?

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

Hornsby AU

July 24, 2026 · 1:10 am

12^°

Cielo despejado

Sensación 9°C

Humedad: 47%
Viento: 12 km/h WSW
Presión: 1026 hPa
Cloud: 0%

Índice UV

Moderada

3.7

Wear sunscreen and a hat outdoors.

Clima cercano

Ciudades cerca de Hornsby

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

1 km Waitara AU View forecast 2.3 km Wahroonga AU View forecast 2.4 km Normanhurst AU View forecast 2.7 km Mount Colah AU View forecast 3.5 km Hornsby Heights AU View forecast 3.8 km Thornleigh AU View forecast 4.4 km Turramurra AU View forecast 4.7 km Pennant Hills AU View forecast

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