15-Day Weather Forecast - Santiago
15-day weather forecast for Santiago: temperatures from 7°C (45°F) to 28°C (82°F). Average daily high 23°C (73°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Santiago's 15-day outlook ranges from a low of 7°C to a high of 28°C, with an average daytime high near 23°C. That's 4° above the long-term average high of 19°C for this time of year. 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.
Extended Outlook for Santiago
Over the next 15 days, Santiago is forecast to see temperatures ranging from 7°C to 29°C, averaging a daily high of 23°C. The extended outlook indicates occasional showers on 2 days, with 1.7 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.