Santiago, Chile 14-Day Forecast
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71°
Sunny right now
Today: high 74°, low 59°
Updated just now
Santiago weather for the next 14 days
Wednesday, September 16
Smoky haze High 70° Low 60°Precipitation
8%
· 0.0 in
Max wind
5 mph
Humidity
59%
UV index
6 - High
Sunrise / sunset
07:40 AM / 07:34 PM
Thursday, September 17
Smoky haze High 75° Low 60°Precipitation
6%
· 0.0 in
Max wind
8 mph
Humidity
50%
UV index
7 - High
Sunrise / sunset
07:38 AM / 07:35 PM
Friday, September 18
Overcast High 74° Low 58°Precipitation
12%
· 0.0 in
Max wind
7 mph
Humidity
63%
UV index
7 - High
Sunrise / sunset
07:37 AM / 07:36 PM
Saturday, September 19
Thundery outbreaks in nearby High 77° Low 61°Precipitation
20%
· 0.01 in
Max wind
11 mph
Humidity
56%
UV index
7 - High
Sunrise / sunset
07:35 AM / 07:36 PM
Sunday, September 20
Overcast High 66° Low 56°Precipitation
36%
· 0.02 in
Max wind
7 mph
Humidity
51%
UV index
5 - Moderate
Sunrise / sunset
07:34 AM / 07:37 PM
Monday, September 21
Overcast High 73° Low 54°Precipitation
10%
· 0.0 in
Max wind
7 mph
Humidity
50%
UV index
7 - High
Sunrise / sunset
07:33 AM / 07:38 PM
Tuesday, September 22
Overcast High 68° Low 57°Precipitation
14%
· 0.0 in
Max wind
5 mph
Humidity
62%
UV index
5 - Moderate
Sunrise / sunset
07:31 AM / 07:38 PM
Wednesday, September 23
Overcast High 67° Low 60°Precipitation
14%
· 0.0 in
Max wind
4 mph
Humidity
57%
UV index
5 - Moderate
Sunrise / sunset
07:30 AM / 07:39 PM
Thursday, September 24
Overcast High 66° Low 52°Precipitation
57%
· 0.07 in
Max wind
7 mph
Humidity
50%
UV index
5 - Moderate
Sunrise / sunset
07:29 AM / 07:40 PM
Friday, September 25
Overcast High 63° Low 52°Precipitation
63%
· 0.07 in
Max wind
6 mph
Humidity
66%
UV index
5 - Moderate
Sunrise / sunset
07:27 AM / 07:40 PM
Saturday, September 26
Patchy rain nearby High 63° Low 53°Precipitation
80%
· 0.18 in
Max wind
9 mph
Humidity
79%
UV index
5 - Moderate
Sunrise / sunset
07:26 AM / 07:41 PM
Sunday, September 27
Patchy rain nearby High 56° Low 50°Precipitation
86%
· 0.24 in
Max wind
4 mph
Humidity
87%
UV index
4 - Moderate
Sunrise / sunset
07:24 AM / 07:42 PM
Monday, September 28
Partly Cloudy High 55° Low 47°Precipitation
18%
· 0.0 in
Max wind
7 mph
Humidity
77%
UV index
5 - Moderate
Sunrise / sunset
07:23 AM / 07:42 PM
Santiago 14-day outlook: the story
The warmest day of Santiago's 14-day outlook is Saturday, September 19 with a high near 77°F (25°C); the coolest night comes Monday, September 28, dipping to 47°F (8°C). The trend points cooler: week two runs about 10°F below week one. Highs over the next two weeks average 73°F (23°C), about 8°F (4°C) above the typical September high of 65°F (19°C).
Precipitation is most likely on Thursday 24, Friday 25, Saturday 26, Sunday 27; the wettest day looks like Sunday, September 27 with about 0.24 in (6.2 mm) expected. For the weekend, expect Saturday 77°F (25°C) and thundery outbreaks in nearby / Sunday 66°F (19°C) and overcast.
For typical conditions month by month, see the Santiago climate & average temperatures guide.
Santiago forecast questions
Will it rain in Santiago this week?
The forecast currently shows meaningful precipitation chances on 4 of the next 14 days, peaking around Sunday, September 27.
What will be the warmest day in Santiago over the next 14 days?
Saturday, September 19, with a forecast high near 77°F (25°C).
How accurate is a 14-day forecast for Santiago?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Santiago by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 85° | 60° | 0 | 0.3 in | 13.4 h/day | 51% |
| February | 85° | 61° | 1 | 0.2 in | 12.7 h/day | 53% |
| March | 82° | 58° | 1 | 0.1 in | 11.6 h/day | 53% |
| April | 74° | 53° | 2 | 1.3 in | 9.7 h/day | 60% |
| May | 66° | 48° | 4 | 1.4 in | 8.0 h/day | 62% |
| June | 60° | 44° | 6 | 3.1 in | 6.8 h/day | 62% |
| July | 59° | 43° | 5 | 2.2 in | 7.6 h/day | 63% |
| August | 62° | 44° | 6 | 2.6 in | 8.4 h/day | 68% |
| September | 65° | 46° | 6 | 1.6 in | 9.2 h/day | 69% |
| October | 71° | 49° | 5 | 1.4 in | 11.0 h/day | 64% |
| November | 78° | 53° | 2 | 0.5 in | 12.3 h/day | 55% |
| December | 83° | 57° | 1 | 0.3 in | 13.5 h/day | 51% |