Aconcagua Weather Forecast
Aconcagua weather: -15°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Aconcagua is a mountain in Argentina. Aconcagua is a mountain known as the highest peak in the Americas. It sits at 22.838 ft above sea level.
Right now it is -15°F (-26°C) in Aconcagua with partly cloudy. It feels like -24°F. Today runs from -15°F to -5°F. Chance of precipitation is 0%. Sightseeing conditions score 7.3/10 - good conditions.
The best time to visit Aconcagua is February, March and December. The climate is polar. June, July and August tend to be the least comfortable months. February is the warmest month with average highs near 16°F, while June is the coldest with lows near -26°F.
The closest major airport is Santiago International Airport (SCL), about 68 mi away.
In plain terms. Today is warmer than average for August. The forecast high of -5°F is 7.4°F above the -12°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. driving is the strongest bet in Aconcagua today at 9.8/10. Gusts to 41 mph will push high-sided vehicles on exposed roads and bridges. Overnight lows near -15°F mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Aconcagua
Derived from the forecast. No official alert feed is wired for this country yet.
Weather in Aconcagua right now
Source: Open-Meteo. Updated 9:57 PM, Aug 22 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Aconcagua
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☁️ Overcast | -5° / -15° | 0% | 5 mph | 8 |
| Sun, Aug 23 | ☁️ Overcast | -7° / -18° | 0% | 6 mph | 8 |
| Mon, Aug 24 | 🌨️ Light snow | -9° / -19° | 81% · 0,0 in | 10 mph | 8 |
| Tue, Aug 25 | ⛈️ Thunderstorm | -12° / -15° | 100% · 2,0 in | 10 mph | 8 |
| Wed, Aug 26 | ❄️ Heavy snow showers | -14° / -20° | 100% · 1,1 in | 11 mph | 5 |
| Thu, Aug 27 | 🌨️ Light snow showers | -18° / -25° | 100% · 0,8 in | 10 mph | 6 |
| Fri, Aug 28 | 🌨️ Snow | -23° / -29° | 96% · 0,4 in | 8 mph | 7 |
| Sat, Aug 29 | ❄️ Heavy snow showers | -23° / -34° | 93% · 1,2 in | 7 mph | 8 |
| Sun, Aug 30 | 🌨️ Light snow | -28° / -41° | 78% · 0,0 in | 6 mph | 7 |
| Mon, Aug 31 | ⛅ Partly cloudy | -26° / -45° | 60% | 5 mph | 9 |
| Tue, Sep 1 | 🌨️ Light snow | -16° / -37° | 33% · 0,1 in | 6 mph | 9 |
| Wed, Sep 2 | 🌨️ Light snow | -18° / -31° | 35% · 0,0 in | 5 mph | 9 |
| Thu, Sep 3 | ⛅ Partly cloudy | -20° / -36° | 32% | 8 mph | 9 |
| Fri, Sep 4 | ⛅ Partly cloudy | -20° / -30° | 26% | 9 mph | 9 |
| Sat, Sep 5 | 🌨️ Light snow | -14° / -26° | 25% · 0,0 in | 7 mph | 9 |
| Sun, Sep 6 | ☁️ Overcast | 4° / -25° | 15% | 10 mph | 9 |
Climate in Aconcagua month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 14° | -1° | 1,3 in | ★★☆☆☆ |
| February | 16° | 1° | 0,5 in | ★★★☆☆ |
| March | 11° | -3° | 0,4 in | ★★☆☆☆ |
| April | 1° | -11° | 0,7 in | ★★☆☆☆ |
| May | -8° | -21° | 3,7 in | ★★☆☆☆ |
| June | -13° | -26° | 6,7 in | ★☆☆☆☆ |
| July | -10° | -22° | 7,0 in | ★☆☆☆☆ |
| August | -12° | -25° | 5,5 in | ★☆☆☆☆ |
| September | -9° | -22° | 4,2 in | ★★☆☆☆ |
| October | -5° | -16° | 1,1 in | ★★☆☆☆ |
| November | -2° | -13° | 1,0 in | ★★☆☆☆ |
| December | 5° | -8° | 0,9 in | ★★☆☆☆ |
Climate type: Polar. Source: Open-Meteo archive (ERA5).
Weather map for Aconcagua
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Aconcagua
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Aconcagua
Go in February, March and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: June, July and August - expect the least comfortable mix of heat, cold or rain.
Explore Aconcagua
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Aconcagua?
Aconcagua is a mountain in Argentina. Its coordinates are -32.6532, -70.0109. It lies in South America.
What is the weather like in Aconcagua right now?
It is currently -15°F (-26°C) with partly cloudy. Humidity is 50% and wind is 3 mph.
When is the best time to visit Aconcagua?
February, March and December offer the most comfortable conditions in Aconcagua, which has a polar climate. June, July and August are usually the hardest months for outdoor plans.
What time zone is Aconcagua in?
Aconcagua observes America/Argentina/Mendoza (UTC-03:00). The local time is 9:57 PM.
What is the nearest airport to Aconcagua?
The closest airports are Santiago International Airport (SCL), 68 mi away.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (mountains) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 22, 2026 at 9:57 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
