Santiago Weather Forecast
Santiago weather: 65°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Will it rain in Santiago?
No - rain is unlikely in Santiago today.
Rain is very unlikely today - plans do not need a backup.
Over the next 7 days, about 1,5 in of precipitation is forecast, with the wettest days falling on Mon, Tue, Wed and Thu.
Rainfall over the next 7 days is close to normal for August (1,5 in against a typical 0,9 in).
16-day forecast for Santiago
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Aug 21 | ☁️ Overcast | 72° / 47° | 0% | 2 mph | 5 |
| Sat, Aug 22 | ☁️ Overcast | 75° / 50° | 0% | 2 mph | 5 |
| Sun, Aug 23 | ☁️ Overcast | 67° / 54° | 0% | 4 mph | 6 |
| Mon, Aug 24 | 🌦️ Light drizzle | 66° / 53° | 43% · 0,0 in | 7 mph | 5 |
| Tue, Aug 25 | 🌦️ Light drizzle | 62° / 54° | 65% · 0,2 in | 6 mph | 4 |
| Wed, Aug 26 | 🌦️ Light showers | 58° / 48° | 89% · 0,9 in | 6 mph | 1 |
| Thu, Aug 27 | 🌦️ Light showers | 55° / 45° | 76% · 0,5 in | 9 mph | 6 |
| Fri, Aug 28 | 🌧️ Heavy drizzle | 59° / 45° | 67% · 0,2 in | 4 mph | 6 |
| Sat, Aug 29 | 🌦️ Drizzle | 57° / 46° | 77% · 0,2 in | 3 mph | 4 |
| Sun, Aug 30 | 🌧️ Showers | 58° / 44° | 63% · 0,8 in | 7 mph | 3 |
| Mon, Aug 31 | 🌧️ Showers | 51° / 43° | 49% · 1,5 in | 10 mph | 6 |
| Tue, Sep 1 | 🌨️ Light snow showers | 43° / 37° | 21% · 0,6 in | 6 mph | 6 |
| Wed, Sep 2 | ☁️ Overcast | 57° / 32° | 27% | 3 mph | 4 |
| Thu, Sep 3 | ☁️ Overcast | 56° / 46° | 31% | 5 mph | 6 |
| Fri, Sep 4 | ☁️ Overcast | 61° / 42° | 30% | 4 mph | 5 |
| Sat, Sep 5 | ☁️ Overcast | 70° / 51° | 32% | 5 mph | 6 |
What this means for Santiago
Today is warmer than average for August. The forecast high of 72°F is 11.2°F above the 60°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Southern Hemisphere, so peak summer falls in December to February.
The gap between the warmest and coldest month averages 55°F.
What to pack, what to skip
- Layers - the daily swing is 62°F, so mornings feel nothing like afternoons
- A packable rain shell - 4 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid June, July and August - historically the least comfortable months here.
See the Santiago forecast by time range
Santiago weather - more answers
Explore Santiago
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Santiago?
Santiago is a city in Chile. Its coordinates are -33.4489, -70.6693. It lies in South America.
What is the weather like in Santiago right now?
It is currently 65°F (18°C) with clear sky. Humidity is 43% and wind is 1 mph.
When is the best time to visit Santiago?
January, February, March, April, October, November and December offer the most comfortable conditions in Santiago, which has a Mediterranean climate. June, July and August are usually the hardest months for outdoor plans.
What time zone is Santiago in?
Santiago observes America/Santiago (UTC-04:00). The local time is 1:37 PM.
How many people live in Santiago?
Santiago has a population of approximately 6.8 million.
What is the nearest airport to Santiago?
The closest airports are Santiago International Airport (SCL), 8 mi away.
What are the top things to do in Santiago?
Popular options include Aconcagua.
What places are in Santiago?
Santiago covers 1 places in this atlas, including Santiago International Airport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 21, 2026 at 1:37 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
