Rosario weather live forecast

Today's maximum temperature in Rosario is expected to be 34°C. Select a day from the live weather forecast for Rosario, Argentina for more weather parameters.

Thursday
18th Dec
34

22

14

11
Friday
19th Dec
35

23

12

11
Saturday
20th Dec
27

24

3

11
Sunday
21st Dec
29

23

3

9
Monday
22nd Dec
30

23

8

10

5-day weather forecast updated at 04:00 on Thursday 18th December 2025 GMT

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

Rosario weather forecast by day

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

Rosario weather for Thursday 18th December 2025

Expect clear skies in Rosario, Argentina with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.

34
°C maximum temperature
22
°C minimum temperature
clear skies
14
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
19
kph wind from N

Rosario weather for Friday 19th December 2025

Expect scattered clouds in Rosario, Argentina with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north.

35
°C maximum temperature
23
°C minimum temperature
scattered clouds
12
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from N

Rosario weather for Saturday 20th December 2025

Expect isolated thunderstorms in Rosario, Argentina with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 15 kph from the north.

27
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
90
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
15
kph wind from N

Rosario weather for Sunday 21st December 2025

Expect isolated thunderstorms in Rosario, Argentina with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a light breeze of 11 kph from the east.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
9
UV index (Very High)
61
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

Rosario weather for Monday 22nd December 2025

Expect broken clouds in Rosario, Argentina with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.