Weather forecast
Morning Update
TODAY'S forecast, Thursday 23 April 2026
Today
Poco o al più parzialmente nuvoloso per qualche cumulo sparso. Dalla serata generalmente sereno.
I venti a 3000 metri sono da NE deboli, al più localmente moderati al mattino specie ai confini E-SE, mentre nelle valli sono molto deboli da W-NW fino a metà mattina poi da E-SE tra deboli e moderati, con locali rinforzi nel tardo pomeriggio.
Rispetto a ieri le temperature massime sono in sensibile aumento nelle valli e pressoché stazionarie in montagna con lo zero termico, attualmente a 1700 metri circa, che si porterà intorno a 3100 metri. A 1500 metri le temperature passeranno da 1°C a 13°C, a 3000 metri da -6°C a -1°C.
Morning Freezing Level: 1700
Afternoon Freezing Level:3100
Forecast issued daily at 7:15 am.
Weather forecast
Issued Wednesday 22 April 2026 alle 10:41
Weather forecaster Luca Stefanoli
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Overall situation
Pressure measured in Aosta at 7 am: 1018 hPa
Thursday 23 April 2026
Morning
Afternoon
Clear or partly cloudy due to possible mid-low layers clearing in the morning in the valleys and weak afternoon cumulus activity, likely confined to the mountains.
Temperatures: Minimum decreasing in the valley bottoms, maximum increasing.
Pressure: Slightly decreasing.
Winds: 3000 m light from the E sectors in the early morning, veering NW; light in the valleys with some NW foehn episodes, alternating with afternoon SE breezes.
Warnings: none.
Reliability
- Freezing level: 2200m » 3000m
- Temp 1500 m: 1°C » 14°C
- Temp 3000 m: -4°C » 0°C
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 4 °C | 18 °C |
| Cogne | -2 °C | 11 °C |
| Courmayeur | 2 °C | 12 °C |
| Donnas | 4 °C | 19 °C |
| Gressoney-Saint-Jean | -2 °C | 12 °C |
| Breuil-Cervinia | -6 °C | 6 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | High |
| Valleys | Moderate |
Friday 24 April 2026
Morning
Afternoon
Clear, except for weak afternoon cumulus activity, more likely over the mountains.
Temperatures: Increasing.
Pressure: Slightly decreasing.
Winds: 3000 m light variable, tending to become NW; light in the valleys with NW foehn episodes, alternating with afternoon SE breezes.
Reliability
- Freezing level: 3000m » 3300m
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 6 °C | 21 °C |
| Cogne | 3 °C | 14 °C |
| Courmayeur | 4 °C | 14 °C |
| Donnas | 8 °C | 21 °C |
| Gressoney-Saint-Jean | 1 °C | 14 °C |
| Breuil-Cervinia | -2 °C | 9 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | High |
| Valleys | High |
Next days
Sat 25 Apr 2026
Sun 26 Apr 2026
Mon 27 Apr 2026
Tue 28 Apr 2026
Reliability
Saturday and Sunday generally clear with some cumulus over the mountains; then tendency for increasing cloudiness with some high clouds on Monday.
* The solar ultraviolet radiation index is elaborated, starting from the weather forecast data, by Arpa Valle d'Aosta - Learn more »