Weather in Buenos Aires - 14-day forecast

Detailed weather forecast for Buenos Aires, Argentina: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Buenos Aires

today☁️ 12°night 12°

Thu☁️ 13°night 12°

Fri☁️ 11°💧 2.8 mm

Sat☁️ 12°💧 2 mm

Sun🌧️ 13°💧 0.4 mm

Mon🌤️ 10°💧 23.3 mm

Tue☁️ 11°💧 2.6 mm

Wed☀️ 14°💧 1.6 mm

14-day forecast - Buenos Aires

📅 Buenos Aires 30 & 45-day weather - long-range outlook

Next 15 days · forecast

11°

around 12° at night · days with rain: 11

Weeks 3-4 · avg for July

14°

around 9° at night · rain chance 34%

Weeks 5-7 · avg for August

17°

around 10° at night · rain chance 29%

The 30 & 45-day outlook for Buenos Aires: the next 15 days are a numerical forecast updated daily - on average 11° by day and 12° at night. Further out we rely on multi-year climate averages: around 14° in July, and about 17° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Buenos Aires

Wednesday8 July 2026

☁️12°broken clouds

sunrise 08:00 · sunset 17:57 · night 12° · evening 14° · humidity 59% · wind 6 m/s · clouds 74%

Thursday9 July 2026

☁️13°overcast clouds

sunrise 08:00 · sunset 17:57 · night 12° · evening 14° · humidity 64% · wind 4 m/s · clouds 100%

Friday10 July 2026

☁️11°overcast clouds

sunrise 08:00 · sunset 17:58 · night 11° · evening 11° · rain 2.82 mm · humidity 78% · wind 5 m/s · clouds 100%

Saturday11 July 2026

☁️12°broken clouds

sunrise 08:00 · sunset 17:59 · night 12° · evening 13° · rain 2.01 mm · humidity 81% · wind 4 m/s · clouds 76%

Sunday12 July 2026

🌧️13°light rain

sunrise 07:59 · sunset 17:59 · night 11° · evening 12° · rain 0.42 mm · humidity 59% · wind 6 m/s · clouds 42%

Monday13 July 2026

🌤️10°a few clouds

sunrise 07:59 · sunset 18:00 · night 11° · evening 12° · rain 23.31 mm · humidity 62% · wind 5 m/s · clouds 23%

Tuesday14 July 2026

☁️11°overcast clouds

sunrise 07:59 · sunset 18:00 · night 12° · evening 13° · rain 2.61 mm · humidity 58% · wind 6 m/s · clouds 100%

Wednesday15 July 2026

☀️14°clear sky

sunrise 07:58 · sunset 18:01 · night 13° · evening 15° · rain 1.62 mm · humidity 62% · wind 4 m/s · clouds 6%

Thursday16 July 2026

☁️9°overcast clouds

sunrise 07:58 · sunset 18:02 · night 9° · evening 9° · humidity 56% · wind 5 m/s · clouds 91%

Friday17 July 2026

☁️9°overcast clouds

sunrise 07:57 · sunset 18:02 · night 11° · evening 11° · rain 2.49 mm · humidity 70% · wind 7 m/s · clouds 87%

Saturday18 July 2026

☁️12°overcast clouds

sunrise 07:57 · sunset 18:03 · night 13° · evening 13° · rain 6.36 mm · humidity 81% · wind 6 m/s · clouds 100%

Sunday19 July 2026

🌧️13°light rain

sunrise 07:56 · sunset 18:03 · night 15° · evening 14° · rain 4.5 mm · humidity 97% · wind 5 m/s · clouds 100%

Monday20 July 2026

🌧️16°moderate rain

sunrise 07:56 · sunset 18:04 · night 14° · evening 15° · rain 5.91 mm · humidity 89% · wind 5 m/s · clouds 100%

Tuesday21 July 2026

🌧️10°heavy rain

sunrise 07:55 · sunset 18:05 · night 11° · evening 11° · rain 16.38 mm · humidity 85% · wind 11 m/s · clouds 100%

Wednesday22 July 2026

🌧️4°heavy rain

sunrise 07:55 · sunset 18:06 · night 7° · evening 7° · rain 46.89 mm · humidity 95% · wind 12 m/s · clouds 100%

☀️ UV index in Buenos Aires - is it safe to sunbathe?

Today the UV index in Buenos Aires is 4 (moderate) - unprotected fair skin can burn in about 55 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

🌊 Sea temperature - Buenos Aires

Water today

10°C

Week avg

10°C

Waves today

0.3 m

How's the water?

very cold

16-day sea temperature forecast:

8.07 10°C9.07 10°C10.07 10°C11.07 10°C12.07 10°C13.07 10°C14.07 10°C15.07 10°C16.07 10°C

Average sea temperature through the year:

Jan 27°CFeb 27°CMar 26°CApr 21°CMay 17°CJun 14°CJul 11°CAug 13°CSep 15°COct 20°CNov 23°CDec 26°C

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Buenos Aires

Air quality in Buenos Aires is currently very good. Fine particulate PM2.5: 9.9 µg/m³, PM10: 10.1 µg/m³.

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Posadas	44.5	45.5	moderate
Mendoza	16.9	18.5	good
Tucumán	14.7	15.1	good
Quilmes	9.9	10.1	very good
Buenos Aires	9.9	10.1	very good
Moron	7.7	7.9	very good
San Juan	7.4	10	very good
La Plata	7.3	7.5	very good
Neuquén	6.5	7.9	very good
Salta	6.1	7	very good
Resistencia	5.1	5.2	very good
Santa Fe	4.2	4.4	very good
Cordoba	4.2	4.3	very good
Parana	4.1	4.3	very good
San Salvador de Jujuy	3.8	4.3	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-07, 22:00).

Buenos Aires weather through the year

🎉 Public holidays in Buenos Aires - when are the long weekends?

Next long weekend in Buenos Aires: Independence Day (9 July, Thursday) - Thursday–Sunday if you take Friday off (4 days).

9 JulyThursday

Independence Day

🎈 long weekend + bridge day

17 AugustMonday

General José de San Martín Memorial Day

🎈 long weekend

12 OctoberMonday

Day of Respect for Cultural Diversity

🎈 long weekend

23 NovemberMonday

National Sovereignty Day

🎈 long weekend

8 DecemberTuesday

Immaculate Conception Day

🎈 long weekend + bridge day

25 DecemberFriday

Christmas Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

8 FebruaryMonday 2027

Carnival

🎈 long weekend

9 FebruaryTuesday 2027

Carnival

🎈 long weekend + bridge day

24 MarchWednesday 2027

Day of Remembrance for Truth and Justice

26 MarchFriday 2027

Good Friday

🎈 long weekend

2 AprilFriday 2027

Day of the Veterans and Fallen of the Malvinas War

🎈 long weekend

Public 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.

Nearby places

La PlataFray BentosTrinidadMontevideo

FAQ - Buenos Aires weather

What is the weather like in Buenos Aires today?

Today it is about 12° during the day and 12° at night, broken clouds.

How far ahead can I check the forecast for Buenos Aires?

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.