🇦🇷 Weather in San Nicolás de los Arroyos
Map Overlays:
Hourly Forecast for San Nicolás de los Arroyos
20:00
14°
22%
21:00
13°
14%
22:00
12°
14%
23:00
11°
32%
00:00
12°
30%
01:00
11°
30%
02:00
12°
25%
03:00
11°
26%
04:00
11°
30%
05:00
11°
31%
06:00
11°
27%
07:00
10°
29%
08:00
10°
28%
09:00
13°
18%
10:00
15°
6%
11:00
18°
1%
12:00
20°
1%
13:00
21°
1%
14:00
21°
1%
15:00
22°
1%
16:00
22°
1%
17:00
20°
1%
18:00
18°
1%
19:00
16°
3%
14-Day Forecast for San Nicolás de los Arroyos
2026-08-27
Overcast
20° /
11°
2026-08-28
Overcast
22° /
10°
2026-08-29
Overcast
22° /
7°
2026-08-30
Overcast
22° /
8°
2026-08-31
Sunny
24° /
10°
2026-09-01
Sunny
23° /
9°
2026-09-02
Overcast
12° /
9°
Additional Forecasts for San Nicolás de los Arroyos
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 151.0 μg/m³
O₃ (Ozone) 62.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.9 μg/m³
SO₂ (Sulphur Dioxide) 1.0 μg/m³
PM2.5 (Fine particles) 2.0 μg/m³
PM10 (Coarse particles) 2.1 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Argentina
Weather in San Nicolás de los Arroyos — FAQ
Answers refreshed each request based on current conditions in San Nicolás de los Arroyos.
What is the weather like right now in San Nicolás de los Arroyos?
Right now in San Nicolás de los Arroyos, Argentina the temperature is 15.1°C (feels like 13.7°C), with overcast. Relative humidity is 75% and wind is 8.6 km/h.
What is today's high and low temperature in San Nicolás de los Arroyos?
Today's forecast high in San Nicolás de los Arroyos is 20.3°C and the overnight low is 11.4°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in San Nicolás de los Arroyos today?
The chance of precipitation in San Nicolás de los Arroyos today is 65%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in San Nicolás de los Arroyos differ from nearby cities?
Even short distances can change temperatures noticeably. San Nicolás de los Arroyos's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.