Santiago weather live forecast

Today's maximum temperature in Santiago is expected to be 18°C. Select a day from the live weather forecast for Santiago, Chile for more weather parameters.

Monday
28th Sep
18

11

3

6
Tuesday
29th Sep
17

10

2

6
Wednesday
30th Sep
18

11

0

2
Thursday
1st Oct
25

11

3

10
Friday
2nd Oct
17

10

0

4

5-day weather forecast updated at 04:00 on Monday 28th September 2026 GMT

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The 5-day weather forecast for Chile (Santiago) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Santiago weather forecast by day

Below are the detailed weather forecasts for Santiago for the next 5 days.

Santiago weather for Monday 28th September 2026

Expect isolated thunderstorms in Santiago, Chile with a maximum temperature of 18°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 84% chance of some rain and a light breeze of 12 kph from the south-west.

18
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
84
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
12
kph wind from SW

Santiago weather for Tuesday 29th September 2026

Expect mostly cloudy with light rain in Santiago, Chile with a maximum temperature of 17°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a light breeze of 10 kph from the south-west.

17
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
6
UV index (High)
9
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
10
kph wind from SW

Santiago weather for Wednesday 30th September 2026

Expect overcast skies in Santiago, Chile with a maximum temperature of 18°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

18
°C maximum temperature
11
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
18
°C wind chill
9
kph wind from SW

Santiago weather for Thursday 1st October 2026

Expect broken clouds in Santiago, Chile with a maximum temperature of 25°C, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.

25
°C maximum temperature
11
°C minimum temperature
broken clouds
3
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
8
kph wind from NE

Santiago weather for Friday 2nd October 2026

Expect isolated thunderstorms in Santiago, Chile with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a light breeze of 10 kph from the south-west.