worldweather16°Cexceptionally cool
usually 19°C–28°C
cooler than 93% of similar days
night: near normal
rain: exceptionally wet
wind: stronger than usual
Weather in Argentina - today, tomorrow and 14-day forecast
Right now temperatures across Argentina range from 7° to 21°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.
Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.
Weather in Argentina's cities today
☀️Santiago del Estero
21°no rain
☁️Resistencia
20°💧 5.6 mm
☁️Corrientes
20°💧 5.6 mm
☀️San Miguel de Tucumán
19°no rain
☀️Parana
17°💧 5.2 mm
☁️Formosa
16°💧 2.6 mm
☀️La Plata
12°💧 1.5 mm
☀️Buenos Aires
11°💧 0.5 mm
🌧️Mar del Plata
8°💧 2.6 mm
🌧️Bahía Blanca
7°💧 2.2 mm
Weather map - today's temperatures
Next days in Argentina
today☁️
16°💧 2.6 mm
Sun☀️
13°💧 3.3 mm
Mon☀️
14°💧 1.2 mm
Tue☀️
19°💧 1.6 mm
Wed☀️
21°💧 0.8 mm
Thu☀️
22°💧 1.7 mm
Fri🌧️
18°💧 2.7 mm
Sat🌧️
10°💧 3.1 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Sunday 6 Sept in Argentina, the forecast high is 13°C. Typical daytime temperatures at this time of year range from 19°C to 28°C, so it will be exceptionally cool. It is cooler than 98% of similar days.
13°Cexceptionally cool
usually 19°C–28°C
cooler than 98% of similar days
night: cooler than usual
rain: exceptionally wet
wind: lighter than usual
14°Cexceptionally cool
usually 19°C–28°C
cooler than 97% of similar days
night: near normal
rain: more rain than usual
wind: exceptionally light
19°Ccooler than usual
usually 19°C–28°C
cooler than 86% of similar days
night: warmer than usual
rain: exceptionally wet
wind: exceptionally light
21°Ccooler than usual
usually 20°C–28°C
cooler than 72% of similar days
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
22°Cnear normal
usually 20°C–28°C
night: exceptionally warm
rain: exceptionally wet
wind: exceptionally light
18°Cexceptionally cool
usually 21°C–28°C
cooler than 91% of similar days
night: warmer than usual
rain: exceptionally wet
wind: stronger than usual
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 24°C by day. The coolest year was 1983 (19°C) and the warmest was 2013 (32°C). The current forecast averages 18°C - lower than in 100% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
Weather warnings - Argentina
Strong wind292 bulletins · in effect until Monday
Wind gusts can break branches and make driving harder. Watch for falling objects and stay away from trees.
Snow and blizzards34 bulletins · in effect today
Snowfall and blizzards can paralyse traffic. Expect disruption and poor visibility.
Source: national weather service via the WMO Severe Weather Information Centre, as of 2026-09-05 11:08:09 UTC. 326 active bulletins in total. See alerts worldwide →
14-day forecast - Argentina
Argentina 30 & 45-day weather - long-range outlook
Next 15 days · forecast
18°
around 14° at night · days with rain: 10
Weeks 3-4 · avg for September
18°
around 10° at night · rain chance 28%
Weeks 5-7 · avg for October
21°
around 13° at night · rain chance 35%
The 30 & 45-day outlook for Argentina: the next 15 days are a numerical forecast updated daily - on average 18° by day and 14° at night. Further out we rely on multi-year climate averages: around 18° in September, and about 21° in October. Forecasts beyond two weeks are indicative only.
Today vs the next days - Argentina cities
| City | Today | +3 days | +7 days | Rain today |
|---|---|---|---|---|
| ☀️ Santiago del Estero | 21℃ | 22℃ | 11℃ | - |
| ☁️ Resistencia | 20℃ | 21℃ | 13℃ | 5.6 mm |
| ☁️ Corrientes | 20℃ | 21℃ | 13℃ | 5.6 mm |
| ☀️ San Miguel de Tucumán | 19℃ | 20℃ | 9℃ | - |
| ☀️ Parana | 17℃ | 16℃ | 11℃ | 5.2 mm |
| ☁️ Formosa | 16℃ | 23℃ | 15℃ | 2.6 mm |
| ☀️ La Plata | 12℃ | 14℃ | 6℃ | 1.5 mm |
| ☀️ Buenos Aires | 11℃ | 11℃ | 7℃ | 0.5 mm |
| 🌧️ Mar del Plata | 8℃ | 12℃ | 8℃ | 2.6 mm |
| 🌧️ Bahía Blanca | 7℃ | 17℃ | 8℃ | 2.2 mm |
Day-by-day forecast for Argentina
Saturday5 September 2026
☁️16°overcast clouds
Sunday6 September 2026
☀️13°clear sky
Monday7 September 2026
☀️14°clear sky
Tuesday8 September 2026
☀️19°clear sky
Wednesday9 September 2026
☀️21°clear sky
Thursday10 September 2026
☀️22°clear sky
Friday11 September 2026
🌧️18°light rain
Saturday12 September 2026
🌧️10°light rain
Sunday13 September 2026
🌤️12°scattered clouds
Monday14 September 2026
☀️15°clear sky
Tuesday15 September 2026
🌤️18°scattered clouds
Wednesday16 September 2026
☁️20°overcast clouds
Thursday17 September 2026
🌧️22°light rain
Friday18 September 2026
🌧️25°light rain
Saturday19 September 2026
🌧️23°heavy rain
Sea temperature - Argentina
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Buenos Aires | 14℃ | 13℃ | 0.3 m | very cold |
| La Plata | 13℃ | 13℃ | - | very cold |
| Mar del Plata | 11℃ | 10℃ | 1.4 m | very cold |
| Bahía Blanca | 10℃ | 10℃ | 0.4 m | very cold |
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Argentina
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Salta | 36.9 | 38 | moderate |
| Santiago del Estero | 21.8 | 22.6 | good |
| San Juan | 14.7 | 121.1 | good |
| Cordoba | 13.1 | 14.3 | good |
| Tucumán | 11.8 | 12.2 | very good |
| Quilmes | 11 | 11.2 | very good |
| Buenos Aires | 11 | 11.2 | very good |
| Mendoza | 10.9 | 12 | very good |
| La Plata | 9.4 | 10 | very good |
| Posadas | 7.5 | 8.3 | very good |
| Santa Fe | 7.4 | 7.7 | very good |
| Parana | 6.6 | 6.9 | very good |
| Resistencia | 4 | 4 | very good |
| San Salvador de Jujuy | 3.8 | 3.9 | very good |
| Moron | 3.2 | 3.4 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 22:00).
Argentina weather through the year
Argentina weather month by month - when is the best time to go?
Weather in other countries in South America
Public holidays in Argentina - when are the long weekends?
Next long weekend in Argentina: Day of Respect for Cultural Diversity (12 October, Monday) - Saturday–Monday (3 days off).
2026
12 OctoberMonday
Day of Respect for Cultural Diversity
long weekend23 NovemberMonday
National Sovereignty Day
long weekend8 DecemberTuesday
Immaculate Conception Day
long weekend + bridge day25 DecemberFriday
Christmas Day
long weekend2027
1 JanuaryFriday
New Year's Day
long weekend8 FebruaryMonday
Carnival
long weekend9 FebruaryTuesday
Carnival
long weekend + bridge day24 MarchWednesday
Day of Remembrance for Truth and Justice
26 MarchFriday
Good Friday
long weekend2 AprilFriday
Day of the Veterans and Fallen of the Malvinas War
long weekend1 MaySaturday
Labour Day
falls on a weekend25 MayTuesday
May Revolution
long weekend + bridge dayPublic holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave. Lunar holiday dates marked as tentative may shift by one day after the official announcement.
Calendar sources
FAQ - Argentina weather
What is the weather like in Argentina today?
Today it is about 16° during the day and 11° at night, overcast clouds.
How far ahead can I check the forecast for Argentina?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.