Iguazu Falls weather live forecast

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

Monday
18th May
18

11

4

2
Tuesday
19th May
18

8

9

5
Wednesday
20th May
19

7

11

5
Thursday
21st May
18

6

7

5
Friday
22nd May
14

8

0

5

5-day weather forecast updated at 04:01 on Monday 18th 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 Monday 18th May 2026

Expect broken clouds in Iguazu Falls, Argentina with a maximum temperature of 18°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

18
°C maximum temperature
11
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
18
°C wind chill
13
kph wind from S

Iguazu Falls weather for Tuesday 19th May 2026

Expect clear skies in Iguazu Falls, Argentina with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.

18
°C maximum temperature
8
°C minimum temperature
clear skies
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
7
kph wind from S

Iguazu Falls weather for Wednesday 20th May 2026

Expect clear skies in Iguazu Falls, Argentina with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

19
°C maximum temperature
7
°C minimum temperature
clear skies
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
10
kph wind from S

Iguazu Falls weather for Thursday 21st May 2026

Expect broken clouds in Iguazu Falls, Argentina with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

18
°C maximum temperature
6
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
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 5 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 41% chance of some rain and little or no wind of 6 kph from the south.