Today
Sun, Jun 21
Overcast
15°7°
- Rain chance
- 2%
- Precip
- 0 mm
- Max wind
- 13 km/h
Luján air quality
Buenos Aires, Argentina · Buenos_Aires time · -34.57°, -59.11°
Current conditions · 8:00 AM local
Current conditions in Luján
7°C
Overcast
Feels like 4°C
- Humidity
- 84%
- Wind
- 10 km/h NNW
- Gusts
- 17 km/h
- UV index
- 0
- Visibility
- 45.9 km
Air quality
18
Good
US AQI · European AQI 9
Air quality in Luján is currently good, with a US AQI of 18 (European AQI 9). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 2.9 µg/m³.
Pollutants
- PM2.5
- 2.9 µg/m³
- PM10
- 2.9 µg/m³
- Ozone (O₃)
- 19 µg/m³
- NO₂
- 6 µg/m³
- SO₂
- 1.3 µg/m³
- CO
- 169 µg/m³
- Dust
- 0 µg/m³
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now
Luján is currently seeing overcast, with 7 °C on the thermometer. It feels colder than it reads, more like 4 °C. Wind is from the NNW at 10 km/h. Humidity stands at 84% with sea-level pressure near 1015 hPa.
At a glance
Today
15° / 7°Overcast
Tomorrow
11° / 5°Overcast
Upcoming · to Saturday
16° / 2°A steady stretch: highs near 16°, lows around 2°, and no day above a 13% rain chance through Saturday.
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Next 3 days
Expect overcast today, between 7 °C and 15 °C. Expect overcast tomorrow, between 5 °C and 11 °C. Gusts may reach 44 km/h from the WSW. Expect overcast Tuesday, between 4 °C and 12 °C. Gusts may reach 46 km/h from the WSW.
Tomorrow
Mon, Jun 22
Overcast
11°5°
- Rain chance
- 2%
- Precip
- 0 mm
- Max wind
- 21 km/h
Tuesday
Tue, Jun 23
Overcast
12°4°
- Rain chance
- 12%
- Precip
- 0 mm
- Max wind
- 23 km/h
Next 48 hours
- 12 AM9°0%13 km/h
- 1 AM9°1%12 km/h
- 2 AM9°1%10 km/h
- 3 AM8°2%9 km/h
- 4 AM8°2%9 km/h
- 5 AM8°2%11 km/h
- 6 AM8°2%10 km/h
- 7 AM7°1%6 km/h
- 8 AM7°1%10 km/h
- 9 AM8°0%9 km/h
- 10 AM9°0%7 km/h
- 11 AM11°0%9 km/h
- 12 PM11°0%7 km/h
- 1 PM13°0%7 km/h
- 2 PM14°0%5 km/h
- 3 PM15°0%3 km/h
- 4 PM15°0%2 km/h
- 5 PM13°0%3 km/h
- 6 PM11°0%4 km/h
- 7 PM10°0%5 km/h
- 8 PM10°0%5 km/h
- 9 PM9°0%3 km/h
- 10 PM9°0%5 km/h
- 11 PM8°0%5 km/h
- 12 AM8°0%7 km/h
- 1 AM8°0%11 km/h
- 2 AM8°0%10 km/h
- 3 AM7°0%9 km/h
- 4 AM7°0%12 km/h
- 5 AM7°0%12 km/h
- 6 AM7°0%13 km/h
- 7 AM6°0%13 km/h
- 8 AM5°0%11 km/h
- 9 AM5°0%14 km/h
- 10 AM7°1%13 km/h
- 11 AM9°2%13 km/h
- 12 PM10°2%15 km/h
- 1 PM11°2%18 km/h
- 2 PM11°1%19 km/h
- 3 PM11°0%21 km/h
- 4 PM11°0%21 km/h
- 5 PM10°0%19 km/h
- 6 PM9°0%15 km/h
- 7 PM9°0%17 km/h
- 8 PM9°0%16 km/h
- 9 PM9°0%15 km/h
- 10 PM9°0%17 km/h
- 11 PM8°0%15 km/h
In depth
Across Luján right now you'll find overcast and a temperature of 7 °C, with the apparent temperature at 4 °C. Today's forecast calls for overcast, topping out near 15 °C before falling back to 7 °C overnight. Winds blow mainly from the NNW around 13 km/h, with gusts up to 23 km/h. Daytime highs hold fairly steady this week, staying within 11 to 16 °C. No meaningful rain shows up in the seven-day outlook, so dry conditions should dominate. Tomorrow brings overcast with a high of 11 °C and a 2% chance of precipitation. Sunrise comes at 08:03 and sunset at 17:53, giving 9.8 hours of daylight. Current humidity sits at 84% with pressure near 1015 hPa. Looking further out, Thursday shows overcast with a high around 13 °C, while Saturday ends the week at 16 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Sun & UV
- Sunrise
- 8:03 AM
- Sunset
- 5:53 PM
- Daylight
- 9h 50m
- Max UV
- 2.8 Low
Wind
- Wind
- 10 km/h
- Gusts
- 17 km/h
- Direction
- NNW (346°)
Farming weather
Soil temperatures today read surface 6.6 °C, 6 cm 9.3 °C, 18 cm 10.7 °C, 54 cm 12.4 °C. Soil moisture sits at 0-1 cm at 0.36 m³/m³, 3-9 cm at 0.36 m³/m³, 27-81 cm at 0.31 m³/m³. For wheat, the root-zone reading is above the ideal 0.2-0.35 m³/m³ band. ET0 of 11 mm modestly outpaces the 0 mm of forecast rain; light supplemental irrigation may help. A suitable spraying window opens around 09:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Frost risk for wheat: lows dip to 2 °C, under the 2 °C damage threshold. Frost risk for maize: lows dip to 2 °C, under the 4 °C damage threshold. Projected growing degree days over the next week: wheat 31, maize 2.
- Topsoil moisture
- 0.368 m³/m³
- Soil temp
- 8°C
- ET₀ today
- 1.22 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 0 mm
- Wind
- 10 km/h
- Humidity
- 84%
Advisory summary
No weather alert thresholds are crossed for Luján in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
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All data for Luján
| Variable | Value |
|---|---|
| City | Luján, Buenos Aires, Argentina |
| Coordinates | -34.5664, -59.11478 |
| Elevation | 17 m |
| Timezone | America/Argentina/Buenos_Aires |
| Population | 97,363 |
| Observed at (local) | 8:00 AM |
| Temperature (2 m) | 7°C |
| Apparent temperature | 4°C |
| Relative humidity (2 m) | 84% |
| Dew point (2 m) | 5°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 3 |
| Cloud cover | 100% |
| Surface pressure | 1012 hPa |
| Sea-level pressure | 1015 hPa |
| Wind speed (10 m) | 10 km/h |
| Wind gusts (10 m) | 17 km/h |
| Wind direction (10 m) | 346° (NNW) |
| Visibility | 45.9 km |
| UV index | 0 |
| Day / night | Night |
| Today max / min | 15°C / 7°C |
| Today feels-like max / min | 14°C / 4°C |
| Today precipitation sum | 0 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 2% |
| Today max wind / gusts | 13 km/h / 23 km/h |
| Dominant wind direction | 327° (NNW) |
| Sunrise / sunset | 8:03 AM / 5:53 PM |
| Daylight duration | 9h 50m |
| Sunshine duration | 5h 00m |
| Max UV index | 2.8 |
| Reference evapotranspiration (ET₀) | 1.22 mm |
| Topsoil moisture (0–1 cm) | 0.368 m³/m³ |
| Surface soil temperature | 8°C |
| US AQI | 18 |
| European AQI | 9 |
| PM2.5 | 2.9 µg/m³ |
| PM10 | 2.9 µg/m³ |
| Ozone (O₃) | 19 µg/m³ |
| Nitrogen dioxide (NO₂) | 6 µg/m³ |
| Sulphur dioxide (SO₂) | 1.3 µg/m³ |
| Carbon monoxide (CO) | 169 µg/m³ |
| Dust | 0 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/ar/buenos-aires/lujan" width="320" height="180" frameborder="0" title="Luján weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Luján tomorrow?
Rain is unlikely in Luján tomorrow; the precipitation chance stays around 2%.
What is the temperature in Luján today?
Today Luján sees overcast with a high of 15 °C and a low of 7 °C.
How hot will it be in Luján tomorrow?
Tomorrow's high in Luján is forecast at 11 °C with overcast.
Is it windy in Luján today?
No, not especially; gusts only reach up to 23 km/h today.
What is the UV index in Luján today?
The UV index peaks at 3 today, which is low.
What time is sunrise and sunset in Luján today?
The sun rises at 08:03 and sets at 17:53 local time.
Is the air quality in Luján good today?
Air quality is good right now, with a US AQI reading of 18.