Iguazu Falls weather live forecast

Today's maximum temperature in Iguazu Falls is expected to be 20°C. Select a day from the live weather forecast for Iguazu Falls, Argentina for more weather parameters.

Thursday
21st May
20

5

11

UV5
Friday
22nd May
14

11

0

UV3
Saturday
23rd May
18

11

2

UV2
Sunday
24th May
22

13

2

UV5
Monday
25th May
23

17

1

UV5

5-day weather forecast updated at 04:01 on Thursday 21st May 2026 GMT

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

Iguazu Falls weather forecast by day

Below are the detailed weather forecasts for Iguazu Falls for the next 5 days.

Iguazu Falls weather for Thursday 21st May 2026

Expect scattered clouds in Iguazu Falls, Argentina with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

20
°C maximum temperature
5
°C minimum temperature
scattered clouds
11
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
8
kph wind from S

Iguazu Falls weather for Friday 22nd May 2026

Expect mostly cloudy with rain in Iguazu Falls, Argentina with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and little or no wind of 6 kph from the south.

14
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
UV3
UV index (Moderate)
88
% chance of some rain
<20
mm of rainfall expected
14
°C wind chill
6
kph wind from S

Iguazu Falls weather for Saturday 23rd May 2026

Expect broken clouds in Iguazu Falls, Argentina with a maximum temperature of 18°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-west.

18
°C maximum temperature
11
°C minimum temperature
broken clouds
2
hours of sunshine
UV2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from SW

Iguazu Falls weather for Sunday 24th May 2026

Expect fog in low lying areas in Iguazu Falls, Argentina with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-east.

22
°C maximum temperature
13
°C minimum temperature
fog in low lying areas
2
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
6
kph wind from SE

Iguazu Falls weather for Monday 25th May 2026

Expect isolated thunderstorms in Iguazu Falls, Argentina with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 42% chance of some rain and a light breeze of 7 kph from the east.