7-day weather forecast for Santiago
7-day weather forecast for Santiago: 20°C, Overcast, Humidity 42%, Wind 3 km/h.
Santiago sits at 33.4° south latitude, in the subtropics, 538 m above sea level, in the America/Santiago time zone. Over the week ahead highs range from 15° to 24° and lows from 8° to 14°, averaging 15°.
Forecast rainfall totals 75 mm, and 7 of the seven days carry a chance above 50%. Today the sun rises at 06:57 and sets at 19:58: 13:01 of daylight.
| Conditions | high | low | rain | Wind | UV index | |
|---|---|---|---|---|---|---|
| Today | Light rain | 24° | 12° | 97% | 12 km/h | 6 |
| Tomorrow | Light drizzle | 24° | 14° | 96% | 12 km/h | 8 |
| Tue, Oct 20 | Thunderstorm | 18° | 12° | 100% | 12 km/h | 8 |
| Wed, Oct 21 | Rain showers | 19° | 10° | 100% | 9 km/h | 8 |
| Thu, Oct 22 | Light drizzle | 20° | 12° | 98% | 6 km/h | 8 |
| Fri, Oct 23 | Rain showers | 15° | 9° | 69% | 10 km/h | 4 |
| Sat, Oct 24 | Light drizzle | 16° | 8° | 56% | 10 km/h | 7 |
Weather data by Open-Meteo (ECMWF, GFS, ICON models and national weather services). Updated every 15 minutes.
Weather in Santiago month by month
The table gathers the 2016-2025 climate normals for Santiago: average highs and lows, total rainfall and number of rainy days for each month of the year.
Santiago has an annual mean temperature of 16.9°. The warmest month is February, when highs sit around 29.8°; the coldest is July, with average lows of 6.4°. The 23.4° gap between those two ends of the calendar is the measure of how much the year swings here.
Rainfall totals about 369 mm a year, spread over roughly 41 rainy days. The wettest month is June, averaging 86.6 mm across 6 days; the driest is March, with 3.6 mm.
| Month | Average high | Average low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 29.7° | 15.7° | 8.8 mm | 1 |
| February | 29.8° | 16° | 4.6 mm | 1 |
| March | 27.9° | 14.5° | 3.6 mm | 1 |
| April | 23.1° | 11.8° | 33.1 mm | 2 |
| May | 18.6° | 9.1° | 43.6 mm | 5 |
| June | 15.2° | 6.7° | 86.6 mm | 6 |
| July | 15.1° | 6.4° | 49.7 mm | 5 |
| August | 16.4° | 7° | 63.5 mm | 6 |
| September | 18.9° | 8.5° | 31.7 mm | 6 |
| October | 22.2° | 10.2° | 26.3 mm | 5 |
| November | 26.2° | 12.4° | 10.7 mm | 2 |
| December | 28.7° | 14.3° | 6.6 mm | 1 |
When to visit Santiago
For travellers who plan around the weather, March and October/November tend to be the most comfortable stretch: average highs between 22.2° and 27.9° and rainfall below the yearly average.
What to expect each month
- In January, highs sit near 29.7° and lows near 15.7°, with about 8.8 mm of rain over 1 days.
- In February, highs sit near 29.8° and lows near 16°, with about 4.6 mm of rain over 1 days.
- In March, highs sit near 27.9° and lows near 14.5°, with about 3.6 mm of rain over 1 days.
- In April, highs sit near 23.1° and lows near 11.8°, with about 33.1 mm of rain over 2 days.
- In May, highs sit near 18.6° and lows near 9.1°, with about 43.6 mm of rain over 5 days.
- In June, highs sit near 15.2° and lows near 6.7°, with about 86.6 mm of rain over 6 days.
- In July, highs sit near 15.1° and lows near 6.4°, with about 49.7 mm of rain over 5 days.
- In August, highs sit near 16.4° and lows near 7°, with about 63.5 mm of rain over 6 days.
- In September, highs sit near 18.9° and lows near 8.5°, with about 31.7 mm of rain over 6 days.
- In October, highs sit near 22.2° and lows near 10.2°, with about 26.3 mm of rain over 5 days.
- In November, highs sit near 26.2° and lows near 12.4°, with about 10.7 mm of rain over 2 days.
- In December, highs sit near 28.7° and lows near 14.3°, with about 6.6 mm of rain over 1 days.
Recorded extremes
Across 2016-2025, the thermometer reached 37° at the top of the series and fell to -5.1° at the bottom. These are observed values, not averages: they show what the city has actually faced.
Normals computed from the ERA5 reanalysis (Copernicus/ECMWF), 2016-2025 series.
FAQ
What is the temperature in Santiago right now?
It is 20°C in Santiago right now, with overcast. It feels like 21°C.
Will it rain in Santiago today?
The peak chance of rain today is 97%, with about 3.6 mm expected.
What will the weather be tomorrow in Santiago?
Tomorrow the high is 24° and the low 14°, with light drizzle.
Where does the data come from and how often is it updated?
Data comes from the ECMWF, GFS and ICON models and national weather services via Open-Meteo, updated every 15 minutes.
What is the warmest month in Santiago?
The warmest month is February, with average highs of 29.8° and lows of 16°.
Does it rain a lot in Santiago?
The city gets about 369 mm a year over 41 rainy days. The wettest month is June, with 86.6 mm.
When is the best time to visit Santiago?
On weather grounds, March and October/November combine the most agreeable temperatures with below-average rainfall.