Weather forecast
Weather forecast
Issued Friday 08 August 2025 alle 12:05
Weather forecaster Igor Torlai
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Overall situation
Pressure measured in Aosta at 7 am: 1023 hPa
L'espansione di un campo anticiclonico verso l'Europa centrale e mediterranea determina tempo soleggiato e caldo in Valle d'Aosta probabilmente fino alla prima parte di mercoledì. Da giovedì la massa d'aria che interessa la Valle d'Aosta cambia, diventando più umida e instabile.
Saturday 09 August 2025
Morning
Afternoon
Sunny sky likely, with few thin high clouds in the morning. Isolated clouds forming on the peaks from the afternoon.
Temperatures: rising slightly.
Pressure: stable.
Winds: 3000 m light to moderate from NW; foehn wind episodes in the upper valleys, breezes elsewhere.
Warnings: hot air.
Reliability
- Freezing level: 4600m » 5000m
- Temp 1500 m: 14°C » 29°C
- Temp 3000 m: 10°C » 14°C
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 18 °C | 36 °C |
| Cogne | 15 °C | 27 °C |
| Courmayeur | 16 °C | 30 °C |
| Donnas | 21 °C | 32 °C |
| Gressoney-Saint-Jean | 13 °C | 26 °C |
| Breuil-Cervinia | 12 °C | 24 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | Low |
| Valleys | Low |
Sunday 10 August 2025
Morning
Afternoon
Sunny and hot day likely, with a few medium-high clouds in the afternoon.
Temperatures: rising slightly in the minimum in the valleys, slightly falling elsewhere.
Pressure: almost stable.
Winds: 3000 m moderate from NW, easing in the afternoon; residual foehn winds episodes in the upper valleys, and then breezes.
Reliability
- Freezing level: 4500m » 4800m
| Temperature | Min | Max |
|---|---|---|
| Mountain | ||
| Valleys |
| Location | Min | Max |
|---|---|---|
| Aosta | 19 °C | 35 °C |
| Cogne | 15 °C | 29 °C |
| Courmayeur | 17 °C | 29 °C |
| Donnas | 22 °C | 31 °C |
| Gressoney-Saint-Jean | 13 °C | 28 °C |
| Breuil-Cervinia | 11 °C | 23 °C |
| Solar ultraviolet radiation * | |
|---|---|
| Mountain | Low |
| Valleys | Low |
Next days
Mon 11 Aug 2025
Tue 12 Aug 2025
Wed 13 Aug 2025
Thu 14 Aug 2025
Reliability
Sunny but less hot on Monday, highly cloudy sky on Tuesday and Wednesday, fresher and more unsettled on Thursday.
* The solar ultraviolet radiation index is elaborated, starting from the weather forecast data, by Arpa Valle d'Aosta - Learn more »