Astún Snow Report and Forecast
Snow Forecast for Astún
When will there be fresh snow?
This is the Snow Forecast for Astún, Spain for 16 days from 18 April.
Updated 18 April 2025 18:38 NZST.
| Next Snow Expected | 19 April |
|---|---|
| Next Snow Amount | 10cm |
| Next 48 Hours | 16cm |
| Next 7 Days | 16cm |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Astún.
Forecast for today in Astún
Max 11℃
Min -2℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 11℃
Temperature at BaseTemp at Base
Fri
18
Snow unlikely
Clear sky, cloudy, rain showers later.
Powder Alert!
Updated 18 April 2025 20:39 NZST
Powder Possible :- 11cm of Fresh Snow is forecast for Astún over the next 2 days.
To get Powder Alerts and Snow Storm Early Warnings by e-mail, Subscribe to our Snow Mail.
Astún Snow Report
Snow report from Candanchú (24km from Astún)
| Snow Conditions | - |
|---|
Astún 7-Day Snow Forecast Overview
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| Fri 18 | Sat 19 | Sun 20 | Mon 21 | Tue 22 | Wed 23 | Thu 24 | |
|---|---|---|---|---|---|---|---|
| Wind | SE F2 | SE F2 | E F2 | NE F2 | SE F2 | ||
| 2,300m | 7℃
| 1℃
 +15cm
| 0℃
+1cm
| 2℃
 | 2℃
 | 6℃
| 9℃
|
| SE F2 | E F2 | NE F2 | SE F2 | ||||
| 2,000m | 9℃
| 3℃
 +10cm
| 2℃
+1cm
| 4℃
| 4℃
| 8℃
| 11℃
|
| SE F2 | NE F2 | ||||||
| 1,700m | 11℃
| 4℃
+5cm
| 5℃
| 7℃
| 8℃
| 12℃
| 15℃
|
| Snow Line | varying 1,999m | varying 1,759m | |||||
| Max Town | 11℃ | 4℃ | 5℃ | 7℃ | 8℃ | 12℃ | 15℃ |
| Min Town | -2℃ | -2℃ | -2℃ | -1℃ | 0℃ | 1℃ | 5℃ |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
Astún Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Max 11℃
Min -2℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 11℃
Temperature at BaseTemp at Base
Fri
18
Snow unlikely
Clear sky, cloudy, rain showers later.
Max 4℃
Min -2℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 4℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
19
5cm to 15cm New Snow
Light drizzle first, snow showers then cloudy, snow showers later.
Snow Line from 1,999m to resort level.
Max 5℃
Min -2℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 5℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
20
up to 1cm New Snow
Cloudy early, then clear spells later.
Snow Line from 1,759m to resort level.
Max 7℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 7℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Fair, light drizzle, clear spells later.
Max 8℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 8℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Cloudy, clear spells, fair later.
Max 12℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 12℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Wed
23
Snow unlikely
Clear sky.
Max 15℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 15℃
Temperature at BaseTemp at Base
Thu
24
Snow unlikely
Clear sky.
This Snow Forecast for Astún, Spain gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Astún, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Astún Snow Forecast updated at 18:38 NZST, next update expected 00:00 NZST.
Snow Forecast near Astún
Understanding and predicting Snow Conditions in Astún
Here are our tips for making the most of a trip to Astún, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Astún, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.
Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:
Pistes (Groomers) or Off-Piste
These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.
- Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
- Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.
WARNING - skiing off-piste (out-of-bounds) at Astún is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.
Analyzing Weather and Snowfall Forecasts
Whilst no forecast can tell you exactly how snow conditions in Astún will develop, checking the forecast regularly should give you an idea of what to expect.
New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.
Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.
Predicting Future Snow Quality
Regularly check our snow and weather forecasts for Astún for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.
Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.