worldweather12°Cexceptionally cool
usually 15°C–20°C
cooler than 94% of similar days
night: cooler than usual
rain: more rain than usual
wind: typical
Weather in La Plata - 14-day forecast
Detailed weather forecast for La Plata, Argentina: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in La Plata
today☀️
12°💧 1.5 mm
Sun☀️
10°💧 4.5 mm
Mon☀️
11°💧 0.2 mm
Tue☀️
14°night 11°
Wed☀️
18°💧 0.3 mm
Thu🌤️
19°💧 1.7 mm
Fri☁️
16°💧 1.5 mm
Sat🌧️
6°💧 8.3 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 La Plata, the forecast high is 10°C. Typical daytime temperatures at this time of year range from 15°C to 20°C, so it will be exceptionally cool. It is cooler than 97% of similar days.
10°Cexceptionally cool
usually 15°C–20°C
cooler than 97% of similar days
night: cooler than usual
rain: more rain than usual
wind: lighter than usual
11°Cexceptionally cool
usually 15°C–20°C
cooler than 95% of similar days
night: warmer than usual
rain: typical rainfall
wind: lighter than usual
14°Ccooler than usual
usually 15°C–20°C
cooler than 89% of similar days
night: warmer than usual
rain: less rain than usual
wind: exceptionally light
18°Cnear normal
usually 15°C–20°C
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
19°Cnear normal
usually 15°C–21°C
night: exceptionally warm
rain: more rain than usual
wind: exceptionally light
16°Ccooler than usual
usually 16°C–21°C
cooler than 79% of similar days
night: warmer than usual
rain: more rain than usual
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 18°C by day. The coolest year was 2008 (15°C) and the warmest was 2013 (24°C). The current forecast averages 14°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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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.
14-day forecast - La Plata
La Plata 30 & 45-day weather - long-range outlook
Next 15 days · forecast
15°
around 11° at night · days with rain: 7
Weeks 3-4 · avg for September
18°
around 8° at night · rain chance 29%
Weeks 5-7 · avg for October
21°
around 11° at night · rain chance 35%
The 30 & 45-day outlook for La Plata: the next 15 days are a numerical forecast updated daily - on average 15° by day and 11° 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.
Day-by-day forecast for La Plata
Saturday5 September 2026
☀️12°clear sky
Sunday6 September 2026
☀️10°clear sky
Monday7 September 2026
☀️11°clear sky
Tuesday8 September 2026
☀️14°clear sky
Wednesday9 September 2026
☀️18°clear sky
Thursday10 September 2026
🌤️19°scattered clouds
Friday11 September 2026
☁️16°overcast clouds
Saturday12 September 2026
🌧️6°moderate rain
Sunday13 September 2026
☀️11°clear sky
Monday14 September 2026
☁️12°overcast clouds
Tuesday15 September 2026
☀️16°clear sky
Wednesday16 September 2026
☁️18°overcast clouds
Thursday17 September 2026
☁️18°broken clouds
Friday18 September 2026
☁️22°broken clouds
Saturday19 September 2026
🌤️21°scattered clouds
UV index in La Plata - is it safe to sunbathe?
Today the UV index in La Plata is 6 (moderate) - unprotected fair skin can burn in about 35 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.
Sea temperature - La Plata
Water today
13°C
Week avg
13°C
How's the water?
very cold
16-day sea temperature forecast:
Average sea temperature through the year:
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in La Plata
Air quality in La Plata is currently very good. Fine particulate PM2.5: 9.4 µg/m³, PM10: 10 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| La Plata | 9.4 | 10 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 22:00).
La Plata weather through the year
Upcoming public holidays in Argentina: Day of Respect for Cultural Diversity — 12 October · National Sovereignty Day — 23 November · Immaculate Conception Day — 8 December.
Nearby and related places
FAQ - La Plata weather
What is the weather like in La Plata today?
Today it is about 12° during the day and 5° at night, clear sky.
How far ahead can I check the forecast for La Plata?
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.