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Weather in Mar del Plata - 14-day forecast

Detailed weather forecast for Mar del Plata, Argentina: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Mar del Plata
today🌧️ 8°💧 2.6 mm
Sun☁️ 7°💧 0.1 mm
Mon☀️ 9°💧 1.7 mm
Tue☀️ 12°💧 0.7 mm
Wed☀️ 16°💧 1.1 mm
Thu🌤️ 16°💧 0.2 mm
Fri🌧️ 10°💧 0.5 mm
Sat🌧️ 8°💧 2.6 mm
Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Saturday 5 Sept in Mar del Plata, the forecast high is 8°C. Typical daytime temperatures at this time of year range from 10°C to 15°C, so it will be exceptionally cool. It is cooler than 98% of similar days.

8°Cexceptionally cool
usually 10°C–15°C
cooler than 98% of similar days
night: cooler than usual rain: more rain than usual wind: stronger than usual
7°Cexceptionally cool
usually 10°C–15°C
cooler than 98% of similar days
night: exceptionally cool rain: typical rainfall wind: typical
9°Cexceptionally cool
usually 10°C–15°C
cooler than 90% of similar days
night: near normal rain: more rain than usual wind: lighter than usual
12°Cnear normal
usually 10°C–15°C
night: warmer than usual rain: typical rainfall wind: lighter than usual
16°Cwarmer than usual
usually 10°C–15°C
warmer than 82% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
16°Cwarmer than usual
usually 11°C–16°C
warmer than 82% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally light
10°Ccooler than usual
usually 11°C–16°C
cooler than 89% of similar days
night: near normal rain: typical rainfall 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.

swipe to see more years →
5°13°20° 1981: 16°C1982: 16°C1983: 12°C1984: 14°C1985: 18°C1986: 18°C1987: 12°C1988: 13°C1989: 13°C1990: 14°C1991: 16°C1992: 12°C1993: 13°C1994: 11°C1995: 16°C1996: 13°C1997: 12°C1998: 16°C1999: 13°C2000: 12°C2001: 13°C2002: 11°C2003: 13°C2004: 13°C2005: 11°C2006: 14°C2007: 16°C2008: 12°C2009: 13°C2010: 14°C2011: 15°C2012: 13°C2013: 15°C2014: 14°C2015: 13°C2016: 13°C2017: 14°C2018: 14°C2019: 10°C2020: 12°C2021: 13°C2022: 15°C2023: 12°C2024: 16°C2025: 13°C 2026 forecast: 11°C current forecast 11°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 14°C by day. The coolest year was 2019 (10°C) and the warmest was 1985 (18°C). The current forecast averages 11°C - lower than in 96% 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 - Mar del Plata

Mar del Plata - 14-day weather forecast infographic

Mar del Plata 30 & 45-day weather - long-range outlook

Next 15 days · forecast
12°
around 9° at night · days with rain: 5
Weeks 3-4 · avg for September
16°
around 6° at night · rain chance 41%
Weeks 5-7 · avg for October
18°
around 8° at night · rain chance 48%
The 30 & 45-day outlook for Mar del Plata: the next 15 days are a numerical forecast updated daily - on average 12° by day and 9° at night. Further out we rely on multi-year climate averages: around 16° in September, and about 18° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Mar del Plata

Saturday5 September 2026
🌧️8°light rain
sunrise 07:06 · sunset 18:32 · night 5° · evening 6° · rain 2.56 mm · humidity 76% · wind 10 m/s · clouds 93%
Sunday6 September 2026
☁️7°overcast clouds
sunrise 07:05 · sunset 18:33 · night 4° · evening 6° · rain 0.13 mm · humidity 50% · wind 9 m/s · clouds 98%
Monday7 September 2026
☀️9°clear sky
sunrise 07:03 · sunset 18:34 · night 8° · evening 10° · rain 1.65 mm · humidity 55% · wind 7 m/s · clouds 2%
Tuesday8 September 2026
☀️12°clear sky
sunrise 07:02 · sunset 18:35 · night 9° · evening 12° · rain 0.66 mm · humidity 60% · wind 6 m/s · clouds 80%
Wednesday9 September 2026
☀️16°clear sky
sunrise 07:00 · sunset 18:35 · night 10° · evening 12° · rain 1.11 mm · humidity 55% · wind 7 m/s · clouds 4%
Thursday10 September 2026
🌤️16°a few clouds
sunrise 06:59 · sunset 18:36 · night 12° · evening 16° · rain 0.18 mm · humidity 61% · wind 5 m/s · clouds 13%
Friday11 September 2026
🌧️10°light rain
sunrise 06:57 · sunset 18:37 · night 8° · evening 8° · rain 0.51 mm · humidity 71% · wind 11 m/s · clouds 100%
Saturday12 September 2026
🌧️8°light rain
sunrise 06:56 · sunset 18:38 · night 6° · evening 7° · rain 2.55 mm · humidity 66% · wind 12 m/s · clouds 100%
Sunday13 September 2026
🌧️9°light rain
sunrise 06:54 · sunset 18:39 · night 7° · evening 7° · rain 0.3 mm · humidity 52% · wind 6 m/s · clouds 21%
Monday14 September 2026
☁️11°overcast clouds
sunrise 06:53 · sunset 18:40 · night 9° · evening 12° · rain 1.92 mm · humidity 59% · wind 7 m/s · clouds 100%
Tuesday15 September 2026
☀️16°clear sky
sunrise 06:51 · sunset 18:41 · night 9° · evening 12° · rain 0.99 mm · humidity 52% · wind 9 m/s · clouds 2%
Wednesday16 September 2026
☁️10°broken clouds
sunrise 06:49 · sunset 18:41 · night 10° · evening 10° · rain 0.42 mm · humidity 64% · wind 7 m/s · clouds 72%
Thursday17 September 2026
☀️17°clear sky
sunrise 06:48 · sunset 18:42 · night 14° · evening 17° · humidity 60% · wind 7 m/s · clouds 5%
Friday18 September 2026
☁️17°broken clouds
sunrise 06:46 · sunset 18:43 · night 11° · evening 13° · humidity 54% · wind 4 m/s · clouds 79%
Saturday19 September 2026
☁️18°overcast clouds
sunrise 06:45 · sunset 18:44 · night 13° · evening 16° · humidity 60% · wind 7 m/s · clouds 100%

UV index in Mar del Plata - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTMar del Plata03681111+4.9UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 40 min5Sat5.095Sun6.095Mon7.095Tue8.095Wed9.095Thu10.094Fri11.094Sat12.096Sun13.095Mon14.095Tue15.094Wed16.094Thu17.094Fri18.095Sat19.095Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Mar del Plata is 5 (moderate) - unprotected fair skin can burn in about 40 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Sea temperature - Mar del Plata

Water today
11°C
Week avg
10°C
Waves today
1.4 m
How's the water?
very cold
16-day sea temperature forecast:
5.09 11°C6.09 10°C7.09 10°C8.09 10°C9.09 10°C10.09 11°C11.09 11°C12.09 11°C13.09 10°C
Average sea temperature through the year:
Jan 21°CFeb 22°CMar 22°CApr 19°CMay 16°CJun 13°CJul 11°CAug 10°CSep 11°COct 14°CNov 16°CDec 19°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Mar del Plata weather through the year

Mar del Plata - annual climate

Warmest, driest months on average: January, February, March, April.

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

La PlataMontevideoBuenos AiresMaldonadoParanaResistenciaFormosaSan Miguel de TucumánCorrientes

FAQ - Mar del Plata weather

What is the weather like in Mar del Plata today?
Today it is about 8° during the day and 5° at night, light rain.
How far ahead can I check the forecast for Mar del 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.