🇦🇷 Weather in San Luis
Map Overlays:
Hourly Forecast for San Luis
20:00
9°
36%
21:00
10°
36%
22:00
10°
57%
23:00
9°
36%
00:00
12°
12%
01:00
13°
43%
02:00
13°
36%
03:00
13°
22%
04:00
12°
51%
05:00
12°
34%
06:00
12°
31%
07:00
11°
34%
08:00
11°
32%
09:00
8°
7%
10:00
8°
5%
11:00
11°
3%
12:00
12°
2%
13:00
13°
2%
14:00
14°
1%
15:00
15°
1%
16:00
15°
1%
17:00
14°
1%
18:00
14°
2%
19:00
11°
3%
14-Day Forecast for San Luis
2026-08-27
Patchy rain nearby
12° /
6°
2026-08-28
Sunny
15° /
8°
2026-08-29
Sunny
18° /
8°
2026-08-30
Sunny
16° /
9°
2026-08-31
Sunny
18° /
10°
2026-09-01
Sunny
16° /
8°
2026-09-02
Overcast
14° /
6°
Additional Forecasts for San Luis
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 99.0 μg/m³
O₃ (Ozone) 74.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.7 μg/m³
SO₂ (Sulphur Dioxide) 0.6 μg/m³
PM2.5 (Fine particles) 2.9 μg/m³
PM10 (Coarse particles) 4.0 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Argentina
Weather in San Luis — FAQ
Answers refreshed each request based on current conditions in San Luis.
What is the weather like right now in San Luis?
Right now in San Luis, Argentina the temperature is 9.2°C (feels like 4.9°C), with patchy rain nearby. Relative humidity is 57% and wind is 36.7 km/h.
What is today's high and low temperature in San Luis?
Today's forecast high in San Luis is 11.8°C and the overnight low is 5.7°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in San Luis today?
The chance of precipitation in San Luis today is 71%. 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 Luis differ from nearby cities?
Even short distances can change temperatures noticeably. San Luis'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.