Today's Weather Forecast - Santiago
Today's weather in Santiago. high 16°C (61°F), low 8°C (46°F). Overcast.
Today’s Hourly Weather Outlook
- Wind speed
- 5 km/h
- Rain probability
- 41%
- Wind speed
- 8 km/h
- Rain probability
- 62%
- Wind speed
- 5 km/h
- Rain probability
- 99%
- Wind speed
- 6 km/h
- Rain probability
- 16%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: PM2.5
- Monitoring station
- Parque O'Higgins, Chile
- PM2.5
- 34μg/m³
- PM10
- 26μg/m³
- O₃
- 10.4ppb
- NO₂
- 16.8ppb
- CO
- 3.9ppm
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Santiago is forecast to reach a high of 16°C today, with an overnight low around 8°C. That's 3° below the long-term average high of 19°C for this time of year. It continues a recent pattern — 8 of the last 28 days with published data have run cooler than normal. Expect a high chance of rain (99% probability) and light winds averaging 8 km/h. Air quality is currently Unhealthy for Sensitive Groups (AQI 125), driven mainly by PM2.5 at 41 μg/m³.
Today vs Normal
The long-term average high for today is 19°C.
8 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running below normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.