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El Chaltén weather
Argentina’s Trekking Capital — Home to Fitz Roy and world-class alpine climbing
- 26 Day Hikes
- 5 Multi-Day Treks
- Weather Insights
7 day weather forecast in El Chalten
When checking the 7-day weather forecast, make sure you look at two different weather sources. I use Windguru predominantly, but Meteoblue is also a great resource. Keep in mind that the forecast can change quite a bit seven days out — Windguru and Meteoblue are usually most accurate within three days.
Use the Meteoblue map below to help you understand the cloud coverage over Cerro Fitz Roy & Cerro Torre easier. Under the map, you’ll then find custom Windguru spot locations for each hike.
12 trails in this area
Windguru forecasts for hikes in El Chalten
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Laguna de los Tres (Fitz Roy)
Hard
- 8–9 hours
- 24 km round trip
Weather Notes
Final ascent highly exposed to wind; clouds often build late morning; best visibility early day
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Laguna Torre
Moderate
- 6–7 hours
- 18 km round trip
Weather Notes
Strong valley winds common; Cerro Torre often clears briefly between frontal systems
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Mirador Torre
Easy
- 2–3 hours
- 5 km round trip
Weather Notes
Lower elevation but wind funnels up valley; useful backup hike in unstable weather
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Laguna Capri
easy
- 3–4 hours
- 8 km round trip
Weather Notes
Sheltered early; clouds often form around Fitz Roy mid-day
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Chorrillo del Salto
easy
- 2–2.5 hours
- 7 km round trip
Weather Notes
Forested and protected from wind; good option during storms
Wg Forecast
Loma del Pliegue Tumbado
Hard
- 8–9 hours
- 23 km round trip
Weather Notes
Extremely exposed ridgeline; unsafe in high wind forecasts
Wg Forecast
Mirador de los Cóndores
Easy
- 1–1.5 hours
- 3 km round trip
Weather Notes
Wind-exposed viewpoint; gusty afternoons common
Wg Forecast
Mirador de las Águilas
Easy
- 2–2.5 hours
- 6 km round trip
Weather Notes
Exposed to steppe winds; clearer in post-frontal conditions
Wg Forecast
Laguna Madre
Moderate
- 5–6 hours
- ~14 km round trip
Weather Notes
Partial forest shelter; wind increases near open sections
Wg Forecast
Laguna Hija
Moderate
- 5–6 hours
- ~15 km round trip
Weather Notes
Often combined with Laguna Madre; wind increases late day
Wg Forecast
Glaciar Piedras Blancas (Viewpoint)
Moderate
- 7–8 hours
- ~20 km round trip
Weather Notes
Protected by the forest but be careful of trees falling.
Wg Forecast
7 trails in this area
Vuelta de Hielo Weather forecast
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Piedra del Fraile
Moderate
- 4–5 hours
- 12 km round trip
Weather Notes
Wind increases past treeline; valley sheltered early
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Piedra Negra
Moderate
- 6–7 hours
- 16 km round trip
Weather Notes
Cold winds from upper valley; common afternoon gusts
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Laguna Pollone
Hard
- 7–8 hours
- 18 km round trip
Weather Notes
Exposed alpine basin; unstable weather frequent
View Windguru Forecast
Laguna de los Catorce
Hard
- 8–9 hours
- 22 km round trip
Weather Notes
High elevation; wind accelerates through cirque
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Laguna Eléctrica
Moderate
- 6–7 hours
- 18 km round trip
Weather Notes
Strong glacier-driven winds near lake
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La Playita
Hard
- 8–9 hours
- 22 km round trip
Weather Notes
Highly exposed; rapid weather changes
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Glaciar Marconi
Very Hard
- 10–12 hours
- 26 km round trip
Weather Notes
Wind tunnel effect near ice; only safe in stable high pressure
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3 trails in this area
Estancia Los Huemules
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Laguna Diablo
Moderate
- 5–6 hours
- 14 km round trip
Weather Notes
Wind increases near lagoon; clouds linger
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Laguna Azul
Easy
- 2 hours
- 6 km round trip
Weather Notes
Forested and protected; reliable in mixed weather
View Windguru Forecast
Refugio Puesto Cagliero
Moderate
- 6–7 hours
- 16 km round trip
Weather Notes
Glacier winds common near refuge
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4 trails in this area
Lago del Desierto
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Glaciar Huemul
Easy
- 1.5–2 hours
- 4 km round trip
Weather Notes
Sudden katabatic winds off glacier
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Glaciar Vespignani
Easy
- 1–1.5 hours
- 3 km round trip
Weather Notes
Generally sheltered; wind near viewpoints
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Lago Del Desierto
Moderate
- 3–4 hours
- 8 km round trip
Weather Notes
Wind exposure increases near lake
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Hito Limítrofe
Moderate
- 4–5 hours
- ~10 km round trip
Weather Notes
Border ridge exposed to crosswinds
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Multi-Day Adventures
Epic backcountry routes through the Southern Patagonian Ice Field and beyond.
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4 Days
Huemul Circuit
Laguna Toro
Very Hard
Weather Notes
Sheltered but gusty at night
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Paso del Viento
Very Hard
Weather Notes
Extreme wind exposure
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Paso Huemul
Hard
Weather Notes
Katabatic glacier winds
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Bahía de los Témpanos
Moderate
Weather Notes
Wind off Viedma Glacier
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Río Túnel River crossing
Expedition
Weather Notes
Variable, gust-driven
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2 Days
Lago del Desierto Weather
Lago del Desierto
Very Hard
View Windguru Forecast
West face of Lago Del Desierto
Very Hard
View Windguru Forecast
7–10 Days
Vuelta al Hielo Patagónico Sur
Paso Marconi
Very Hard
Wg
Central Ice Field Camps
Very Hard
Wg
Viedma Glacier Camps
Hard
Wg
Southern Exit Camps
Moderate
Wg
El Chaltén Weather: Frequently Asked Questions (FAQ)
How accurate are weather forecasts for El Chaltén?
Weather forecasts for El Chaltén are useful for spotting general trends like temperature drops, storms, or windy days, but they are never perfect because Patagonian weather changes quickly. Treat the forecast as a guideline for the next 24–72 hours, and always prepare for a wider range of conditions.
How bad is weather in El Chalten?
Weather in El Chalten is temperamental. It can be bad, I always hate to see that people travel all the way across the world and spend thousands of dollars and get stormed out. But the weather in El Chalten is far better than Torres del Paine.
What is the weather like in El Chaltén during my travel month or season?
El Chaltén weather varies by season: summer often brings milder temperatures and longer daylight, while spring and autumn can feel colder with more frequent wind and rain. No matter when you visit, you should expect sudden changes, including chilly mornings, gusty afternoons, and the possibility of showers at any time.
What to wear hiking in Patagonia?
Short answer: Dress in layers, prioritize wind/rain protection, and avoid cotton.
Core layers
Base layer: Synthetic or merino top (long/short sleeve depending on temp).
Mid layer: Fleece or light insulated jacket (synthetic or down).
Shell: Waterproof/windproof jacket (2.5–3L; taped seams, good hood); lightweight rain pants.
Bottoms: Quick-dry hiking pants or leggings; add thermal tights in cold/windy conditions.
Footwear
Shoes/boots: Sturdy, broken-in hikers with good tread (wet roots/rock).
Socks: Merino or synthetic; consider liner socks to prevent blisters.
Optional: Gaiters for mud/snow; microspikes in winter/early spring if icy.
Accessories (don’t skip)
Brimmed cap + warm hat (wind steals heat fast).
Gloves (light liner + wind/waterproof shell if cold).
Sunglasses (category 3–4 if near snow/ice); high-SPF sunscreen & lip balm.
Buff/neck gaiter for wind and sun.
Trekking poles (windy descents), small first-aid, space blanket.
Seasonal tweaks (Southern Hemisphere)
Summer (Dec–Feb): Light base, breathable mid, full shell for wind; sun gear is critical.
Autumn (Mar–May): Warmer mid layer; pack thin insulated pants/gloves.
Winter (Jun–Aug): Heavy mid + insulated jacket; thermal base on legs; microspikes/gaiters.
Spring (Sep–Nov): Unstable—bring full rain kit and warm layers even on “nice” days.
Key tips
Layer early: Add/remove before you sweat or chill.
Waterproof ≠ breathable: Vent (pit zips, front zip) during climbs.
No cotton: Stays wet, increases chill risk.
Is El Chaltén still worth visiting when it rains?
El Chaltén is absolutely worth visiting in the rain, as many trails remain open and the cloud and mist can create dramatic mountain views. You may need to shorten your hikes or choose lower, more sheltered routes, but a waterproof jacket, pack cover, and dry layers will keep you comfortable on the trail.
How long should I stay in El Chalten for the best chance of good weather?
My personal opinion is 5 days. This helps give you the best chance of having at least one day with good visibility of Fitz Roy to hike Laguna de los Tres. One week is perfect.
What can I do in El Chaltén if the weather is bad for several days?
When the weather turns rough for a few days, you can focus on shorter walks near town, scenic viewpoints, and low-elevation trails that stay safer in wind and rain. It is also a good time to enjoy cafés, plan your route, watch local documentaries, and wait for a clear-weather window for the bigger hikes.
What weather conditions should I expect on hikes like Laguna de los Tres and Laguna Torre?
Popular hikes such as Laguna de los Tres and Laguna Torre can include strong wind, quickly shifting clouds, and cooler temperatures near the viewpoints compared with town. Start early, pack warm and waterproof layers, and be prepared for conditions to shift from sunny to cold and cloudy within the same day.
Is camping around El Chaltén safe and comfortable with typical Patagonian weather?
Camping near El Chaltén can be safe and very rewarding if you bring a sturdy tent, a warm sleeping bag, and know how to anchor your shelter against wind. Nights are often cold, even in summer, so good insulation, dry clothes for sleeping, and careful campsite selection are essential for a comfortable experience. Pro tip: Bring a trash bag to keep sleeping bag and spare clothes dry.
What clothing and gear do I need for El Chaltén’s weather, especially in the shoulder seasons?
For El Chaltén, especially in spring and autumn, plan on a layering system: a moisture-wicking base layer, a warm mid-layer, and a windproof, waterproof shell. Add a beanie, gloves, good hiking boots, and a backpack cover, plus an emergency warm layer so you can adapt quickly to changing conditions on the trail.
